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Finding the Fourth Proportional to 39,086.44, 58,593.90 and 14,120.68

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Solution

The fourth proportional to 39,086.44, 58,593.90 and 14,120.68 is: 21,168.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,086.44 : 58,593.90 = 14,120.68 : x
  2. Step 2: Convert to fraction form
    39,086.44/58,593.90 = 14,120.68/x
  3. Step 3: Cross multiply
    39,086.44x = 58,593.90 × 14,120.68
  4. Step 4: Simplify right side
    39,086.44x = 827,385,711.85
  5. Step 5: Solve for x
    x = 827,385,711.85/39,086.44
  6. Step 6: Final answer
    x = 21,168.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.