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Finding the Fourth Proportional to 69,512.67, 95,928.17 and 37,681.50

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Solution

The fourth proportional to 69,512.67, 95,928.17 and 37,681.50 is: 52,000.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,512.67 : 95,928.17 = 37,681.50 : x
  2. Step 2: Convert to fraction form
    69,512.67/95,928.17 = 37,681.50/x
  3. Step 3: Cross multiply
    69,512.67x = 95,928.17 × 37,681.50
  4. Step 4: Simplify right side
    69,512.67x = 3,614,717,337.86
  5. Step 5: Solve for x
    x = 3,614,717,337.86/69,512.67
  6. Step 6: Final answer
    x = 52,000.84

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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.