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Finding the Fourth Proportional to 42,378.92, 58,481.52 and 23,517.44

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Solution

The fourth proportional to 42,378.92, 58,481.52 and 23,517.44 is: 32,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,378.92 : 58,481.52 = 23,517.44 : x
  2. Step 2: Convert to fraction form
    42,378.92/58,481.52 = 23,517.44/x
  3. Step 3: Cross multiply
    42,378.92x = 58,481.52 × 23,517.44
  4. Step 4: Simplify right side
    42,378.92x = 1,375,335,637.71
  5. Step 5: Solve for x
    x = 1,375,335,637.71/42,378.92
  6. Step 6: Final answer
    x = 32,453.30

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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.