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Finding the Fourth Proportional to 32,472.97, 48,707.61 and 8,780.17

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Solution

The fourth proportional to 32,472.97, 48,707.61 and 8,780.17 is: 13,169.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,472.97 : 48,707.61 = 8,780.17 : x
  2. Step 2: Convert to fraction form
    32,472.97/48,707.61 = 8,780.17/x
  3. Step 3: Cross multiply
    32,472.97x = 48,707.61 × 8,780.17
  4. Step 4: Simplify right side
    32,472.97x = 427,661,096.09
  5. Step 5: Solve for x
    x = 427,661,096.09/32,472.97
  6. Step 6: Final answer
    x = 13,169.76

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