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Finding the Fourth Proportional to 69,693.92, 96,170.67 and 39,473.21

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Solution

The fourth proportional to 69,693.92, 96,170.67 and 39,473.21 is: 54,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,693.92 : 96,170.67 = 39,473.21 : x
  2. Step 2: Convert to fraction form
    69,693.92/96,170.67 = 39,473.21/x
  3. Step 3: Cross multiply
    69,693.92x = 96,170.67 × 39,473.21
  4. Step 4: Simplify right side
    69,693.92x = 3,796,165,052.75
  5. Step 5: Solve for x
    x = 3,796,165,052.75/69,693.92
  6. Step 6: Final answer
    x = 54,469.10

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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.