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Finding the Fourth Proportional to 69,168.91, 95,452.15 and 38,957.23

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Solution

The fourth proportional to 69,168.91, 95,452.15 and 38,957.23 is: 53,760.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,168.91 : 95,452.15 = 38,957.23 : x
  2. Step 2: Convert to fraction form
    69,168.91/95,452.15 = 38,957.23/x
  3. Step 3: Cross multiply
    69,168.91x = 95,452.15 × 38,957.23
  4. Step 4: Simplify right side
    69,168.91x = 3,718,551,361.54
  5. Step 5: Solve for x
    x = 3,718,551,361.54/69,168.91
  6. Step 6: Final answer
    x = 53,760.44

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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.