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Finding the Fourth Proportional to 58,503.73, 87,723.18 and 27,321.97

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Solution

The fourth proportional to 58,503.73, 87,723.18 and 27,321.97 is: 40,967.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,503.73 : 87,723.18 = 27,321.97 : x
  2. Step 2: Convert to fraction form
    58,503.73/87,723.18 = 27,321.97/x
  3. Step 3: Cross multiply
    58,503.73x = 87,723.18 × 27,321.97
  4. Step 4: Simplify right side
    58,503.73x = 2,396,770,092.26
  5. Step 5: Solve for x
    x = 2,396,770,092.26/58,503.73
  6. Step 6: Final answer
    x = 40,967.82

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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.