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Finding the Fourth Proportional to 58,489.28, 87,769.92 and 27,327.68

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Solution

The fourth proportional to 58,489.28, 87,769.92 and 27,327.68 is: 41,008.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,489.28 : 87,769.92 = 27,327.68 : x
  2. Step 2: Convert to fraction form
    58,489.28/87,769.92 = 27,327.68/x
  3. Step 3: Cross multiply
    58,489.28x = 87,769.92 × 27,327.68
  4. Step 4: Simplify right side
    58,489.28x = 2,398,548,287.39
  5. Step 5: Solve for x
    x = 2,398,548,287.39/58,489.28
  6. Step 6: Final answer
    x = 41,008.34

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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.