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Finding the Fourth Proportional to 69,169.32, 95,449.32 and 38,952.90

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Solution

The fourth proportional to 69,169.32, 95,449.32 and 38,952.90 is: 53,752.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,169.32 : 95,449.32 = 38,952.90 : x
  2. Step 2: Convert to fraction form
    69,169.32/95,449.32 = 38,952.90/x
  3. Step 3: Cross multiply
    69,169.32x = 95,449.32 × 38,952.90
  4. Step 4: Simplify right side
    69,169.32x = 3,718,027,817.03
  5. Step 5: Solve for x
    x = 3,718,027,817.03/69,169.32
  6. Step 6: Final answer
    x = 53,752.56

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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.