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Finding the Fourth Proportional to 39,250.35, 54,164.98 and 21,344.97

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Solution

The fourth proportional to 39,250.35, 54,164.98 and 21,344.97 is: 29,455.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,250.35 : 54,164.98 = 21,344.97 : x
  2. Step 2: Convert to fraction form
    39,250.35/54,164.98 = 21,344.97/x
  3. Step 3: Cross multiply
    39,250.35x = 54,164.98 × 21,344.97
  4. Step 4: Simplify right side
    39,250.35x = 1,156,149,901.84
  5. Step 5: Solve for x
    x = 1,156,149,901.84/39,250.35
  6. Step 6: Final answer
    x = 29,455.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.