4: Ratios, Rates, and Proportions Last updated Jun 10, 2021 Save as PDF 3.2.3: Estimation with Decimals 4.1: Ratio and Rates Page ID59682 The NROC Project ( \newcommand{\kernel}{\mathrm{null}\,}\) 4.1: Ratio and Rates4.1.1: Simplifying Ratios and Rates4.2: Proportions4.2.1: Understanding Proportions