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Finding the Fourth Proportional to 57,695.56, 86,553.87 and 26,530

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Solution

The fourth proportional to 57,695.56, 86,553.87 and 26,530 is: 39,799.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,695.56 : 86,553.87 = 26,530 : x
  2. Step 2: Convert to fraction form
    57,695.56/86,553.87 = 26,530/x
  3. Step 3: Cross multiply
    57,695.56x = 86,553.87 × 26,530
  4. Step 4: Simplify right side
    57,695.56x = 2,296,274,171.10
  5. Step 5: Solve for x
    x = 2,296,274,171.10/57,695.56
  6. Step 6: Final answer
    x = 39,799.84

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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.