This report synthesises findings from 4 peer-reviewed papers addressing the following research question: How does synthetic training data improve language model performance on mathematical reasoning benchmarks v19. 7 claims were extracted from source literature; 7 were independently verified against retrieved documents. An automated multi-reviewer quality assessment produced a score of 8.3/10. This report is a machine-generated literature synthesis and does not constitute original research.Research goal: How does synthetic training data improve language model performance on mathematical reasoning benchmarks v19Autonomous literature synthesis. Automated review score: 8.3/10. Full text and citation available at Assignee Research.