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Finding the Fourth Proportional to 67,906.14, 93,706.07 and 37,691.48

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Solution

The fourth proportional to 67,906.14, 93,706.07 and 37,691.48 is: 52,011.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,906.14 : 93,706.07 = 37,691.48 : x
  2. Step 2: Convert to fraction form
    67,906.14/93,706.07 = 37,691.48/x
  3. Step 3: Cross multiply
    67,906.14x = 93,706.07 × 37,691.48
  4. Step 4: Simplify right side
    67,906.14x = 3,531,919,806.30
  5. Step 5: Solve for x
    x = 3,531,919,806.30/67,906.14
  6. Step 6: Final answer
    x = 52,011.79

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1.5x scale

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.