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Finding the Fourth Proportional to 67,691.48, 101,536.00 and 27,701.78

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Solution

The fourth proportional to 67,691.48, 101,536.00 and 27,701.78 is: 41,552.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,691.48 : 101,536.00 = 27,701.78 : x
  2. Step 2: Convert to fraction form
    67,691.48/101,536.00 = 27,701.78/x
  3. Step 3: Cross multiply
    67,691.48x = 101,536.00 × 27,701.78
  4. Step 4: Simplify right side
    67,691.48x = 2,812,727,357.15
  5. Step 5: Solve for x
    x = 2,812,727,357.15/67,691.48
  6. Step 6: Final answer
    x = 41,552.17

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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.