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Finding the Fourth Proportional to 8,869.92, 13,306.17 and 4,708.86

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Solution

The fourth proportional to 8,869.92, 13,306.17 and 4,708.86 is: 7,063.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.92 : 13,306.17 = 4,708.86 : x
  2. Step 2: Convert to fraction form
    8,869.92/13,306.17 = 4,708.86/x
  3. Step 3: Cross multiply
    8,869.92x = 13,306.17 × 4,708.86
  4. Step 4: Simplify right side
    8,869.92x = 62,656,891.67
  5. Step 5: Solve for x
    x = 62,656,891.67/8,869.92
  6. Step 6: Final answer
    x = 7,063.97

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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.