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Finding the Fourth Proportional to 58,105.71, 87,173.15 and 16,552.71

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Solution

The fourth proportional to 58,105.71, 87,173.15 and 16,552.71 is: 24,833.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,105.71 : 87,173.15 = 16,552.71 : x
  2. Step 2: Convert to fraction form
    58,105.71/87,173.15 = 16,552.71/x
  3. Step 3: Cross multiply
    58,105.71x = 87,173.15 × 16,552.71
  4. Step 4: Simplify right side
    58,105.71x = 1,442,951,788.97
  5. Step 5: Solve for x
    x = 1,442,951,788.97/58,105.71
  6. Step 6: Final answer
    x = 24,833.22

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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.