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Finding the Fourth Proportional to 69,480.60, 95,882.82 and 39,275.70

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Solution

The fourth proportional to 69,480.60, 95,882.82 and 39,275.70 is: 54,200.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,480.60 : 95,882.82 = 39,275.70 : x
  2. Step 2: Convert to fraction form
    69,480.60/95,882.82 = 39,275.70/x
  3. Step 3: Cross multiply
    69,480.60x = 95,882.82 × 39,275.70
  4. Step 4: Simplify right side
    69,480.60x = 3,765,864,873.47
  5. Step 5: Solve for x
    x = 3,765,864,873.47/69,480.60
  6. Step 6: Final answer
    x = 54,200.24

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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.