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Finding the Fourth Proportional to 2,316.27, 3,473.75 and 672.38

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Solution

The fourth proportional to 2,316.27, 3,473.75 and 672.38 is: 1,008.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.27 : 3,473.75 = 672.38 : x
  2. Step 2: Convert to fraction form
    2,316.27/3,473.75 = 672.38/x
  3. Step 3: Cross multiply
    2,316.27x = 3,473.75 × 672.38
  4. Step 4: Simplify right side
    2,316.27x = 2,335,659.29
  5. Step 5: Solve for x
    x = 2,335,659.29/2,316.27
  6. Step 6: Final answer
    x = 1,008.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.