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Finding the Fourth Proportional to 65,694.74, 98,660.90 and 60,691.73

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Solution

The fourth proportional to 65,694.74, 98,660.90 and 60,691.73 is: 91,147.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,694.74 : 98,660.90 = 60,691.73 : x
  2. Step 2: Convert to fraction form
    65,694.74/98,660.90 = 60,691.73/x
  3. Step 3: Cross multiply
    65,694.74x = 98,660.90 × 60,691.73
  4. Step 4: Simplify right side
    65,694.74x = 5,987,899,907.59
  5. Step 5: Solve for x
    x = 5,987,899,907.59/65,694.74
  6. Step 6: Final answer
    x = 91,147.33

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1.5x scale

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.