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Finding the Fourth Proportional to 58,229.73, 87,344.61 and 46,487.97

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Solution

The fourth proportional to 58,229.73, 87,344.61 and 46,487.97 is: 69,731.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,229.73 : 87,344.61 = 46,487.97 : x
  2. Step 2: Convert to fraction form
    58,229.73/87,344.61 = 46,487.97/x
  3. Step 3: Cross multiply
    58,229.73x = 87,344.61 × 46,487.97
  4. Step 4: Simplify right side
    58,229.73x = 4,060,473,609.34
  5. Step 5: Solve for x
    x = 4,060,473,609.34/58,229.73
  6. Step 6: Final answer
    x = 69,731.97

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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.