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Finding the Fourth Proportional to 55,687.53, 83,532.24 and 18,251.58

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Solution

The fourth proportional to 55,687.53, 83,532.24 and 18,251.58 is: 27,377.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,687.53 : 83,532.24 = 18,251.58 : x
  2. Step 2: Convert to fraction form
    55,687.53/83,532.24 = 18,251.58/x
  3. Step 3: Cross multiply
    55,687.53x = 83,532.24 × 18,251.58
  4. Step 4: Simplify right side
    55,687.53x = 1,524,595,360.94
  5. Step 5: Solve for x
    x = 1,524,595,360.94/55,687.53
  6. Step 6: Final answer
    x = 27,377.68

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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.