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Finding the Fourth Proportional to 69,169.56, 95,452.96 and 38,954.92

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Solution

The fourth proportional to 69,169.56, 95,452.96 and 38,954.92 is: 53,757.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,169.56 : 95,452.96 = 38,954.92 : x
  2. Step 2: Convert to fraction form
    69,169.56/95,452.96 = 38,954.92/x
  3. Step 3: Cross multiply
    69,169.56x = 95,452.96 × 38,954.92
  4. Step 4: Simplify right side
    69,169.56x = 3,718,362,420.56
  5. Step 5: Solve for x
    x = 3,718,362,420.56/69,169.56
  6. Step 6: Final answer
    x = 53,757.21

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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.