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Finding the Fourth Proportional to 67,982.86, 101,958.87 and 25,847.96

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Solution

The fourth proportional to 67,982.86, 101,958.87 and 25,847.96 is: 38,766.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,982.86 : 101,958.87 = 25,847.96 : x
  2. Step 2: Convert to fraction form
    67,982.86/101,958.87 = 25,847.96/x
  3. Step 3: Cross multiply
    67,982.86x = 101,958.87 × 25,847.96
  4. Step 4: Simplify right side
    67,982.86x = 2,635,428,808.66
  5. Step 5: Solve for x
    x = 2,635,428,808.66/67,982.86
  6. Step 6: Final answer
    x = 38,766.08

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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.