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Finding the Fourth Proportional to 8,502.56, 11,732.92 and 5,317.29

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Solution

The fourth proportional to 8,502.56, 11,732.92 and 5,317.29 is: 7,337.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502.56 : 11,732.92 = 5,317.29 : x
  2. Step 2: Convert to fraction form
    8,502.56/11,732.92 = 5,317.29/x
  3. Step 3: Cross multiply
    8,502.56x = 11,732.92 × 5,317.29
  4. Step 4: Simplify right side
    8,502.56x = 62,387,279.52
  5. Step 5: Solve for x
    x = 62,387,279.52/8,502.56
  6. Step 6: Final answer
    x = 7,337.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.