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Finding the Fourth Proportional to 57,239.52, 85,868.49 and 27,659.53

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Solution

The fourth proportional to 57,239.52, 85,868.49 and 27,659.53 is: 41,493.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,239.52 : 85,868.49 = 27,659.53 : x
  2. Step 2: Convert to fraction form
    57,239.52/85,868.49 = 27,659.53/x
  3. Step 3: Cross multiply
    57,239.52x = 85,868.49 × 27,659.53
  4. Step 4: Simplify right side
    57,239.52x = 2,375,082,075.21
  5. Step 5: Solve for x
    x = 2,375,082,075.21/57,239.52
  6. Step 6: Final answer
    x = 41,493.75

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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.