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Finding the Fourth Proportional to 39,374, 54,360.72 and 25,251.44

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Solution

The fourth proportional to 39,374, 54,360.72 and 25,251.44 is: 34,862.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,374 : 54,360.72 = 25,251.44 : x
  2. Step 2: Convert to fraction form
    39,374/54,360.72 = 25,251.44/x
  3. Step 3: Cross multiply
    39,374x = 54,360.72 × 25,251.44
  4. Step 4: Simplify right side
    39,374x = 1,372,686,459.44
  5. Step 5: Solve for x
    x = 1,372,686,459.44/39,374
  6. Step 6: Final answer
    x = 34,862.76

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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.