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Finding the Fourth Proportional to 52,545.69, 72,513.24 and 28,672.89

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Solution

The fourth proportional to 52,545.69, 72,513.24 and 28,672.89 is: 39,568.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,545.69 : 72,513.24 = 28,672.89 : x
  2. Step 2: Convert to fraction form
    52,545.69/72,513.24 = 28,672.89/x
  3. Step 3: Cross multiply
    52,545.69x = 72,513.24 × 28,672.89
  4. Step 4: Simplify right side
    52,545.69x = 2,079,164,154.06
  5. Step 5: Solve for x
    x = 2,079,164,154.06/52,545.69
  6. Step 6: Final answer
    x = 39,568.69

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