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Finding the Fourth Proportional to 57,151.80, 78,882.60 and 38,032.41

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Solution

The fourth proportional to 57,151.80, 78,882.60 and 38,032.41 is: 52,493.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,151.80 : 78,882.60 = 38,032.41 : x
  2. Step 2: Convert to fraction form
    57,151.80/78,882.60 = 38,032.41/x
  3. Step 3: Cross multiply
    57,151.80x = 78,882.60 × 38,032.41
  4. Step 4: Simplify right side
    57,151.80x = 3,000,095,385.07
  5. Step 5: Solve for x
    x = 3,000,095,385.07/57,151.80
  6. Step 6: Final answer
    x = 52,493.45

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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.