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Finding the Fourth Proportional to 57,591.48, 86,192.10 and 35,418.90

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Solution

The fourth proportional to 57,591.48, 86,192.10 and 35,418.90 is: 53,008.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,591.48 : 86,192.10 = 35,418.90 : x
  2. Step 2: Convert to fraction form
    57,591.48/86,192.10 = 35,418.90/x
  3. Step 3: Cross multiply
    57,591.48x = 86,192.10 × 35,418.90
  4. Step 4: Simplify right side
    57,591.48x = 3,052,829,370.69
  5. Step 5: Solve for x
    x = 3,052,829,370.69/57,591.48
  6. Step 6: Final answer
    x = 53,008.35

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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.