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In mathematics, a proportion is an equation that states that two ratios are equal. Ratios compare two quantities and can be expressed in several ways, such as fractions, decimals, or percentages. A proportion can be represented in the following general form: \[ \frac{a}{b} = \frac{c}{d} \] In this equation, \( \frac{a}{b} \) and \( \frac{c}{d} \) are both ratios.

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