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Finding the Fourth Proportional to 57,877.30, 86,850.47 and 25,853.86

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Solution

The fourth proportional to 57,877.30, 86,850.47 and 25,853.86 is: 38,796.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,877.30 : 86,850.47 = 25,853.86 : x
  2. Step 2: Convert to fraction form
    57,877.30/86,850.47 = 25,853.86/x
  3. Step 3: Cross multiply
    57,877.30x = 86,850.47 × 25,853.86
  4. Step 4: Simplify right side
    57,877.30x = 2,245,419,892.31
  5. Step 5: Solve for x
    x = 2,245,419,892.31/57,877.30
  6. Step 6: Final answer
    x = 38,796.21

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Why These Related Problems?

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