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Finding the Fourth Proportional to 69,163.28, 95,446.94 and 38,538.44

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Solution

The fourth proportional to 69,163.28, 95,446.94 and 38,538.44 is: 53,183.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,163.28 : 95,446.94 = 38,538.44 : x
  2. Step 2: Convert to fraction form
    69,163.28/95,446.94 = 38,538.44/x
  3. Step 3: Cross multiply
    69,163.28x = 95,446.94 × 38,538.44
  4. Step 4: Simplify right side
    69,163.28x = 3,678,375,500.45
  5. Step 5: Solve for x
    x = 3,678,375,500.45/69,163.28
  6. Step 6: Final answer
    x = 53,183.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.