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Finding the Fourth Proportional to 69,469.57, 95,866.75 and 39,254.24

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Solution

The fourth proportional to 69,469.57, 95,866.75 and 39,254.24 is: 54,170.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,469.57 : 95,866.75 = 39,254.24 : x
  2. Step 2: Convert to fraction form
    69,469.57/95,866.75 = 39,254.24/x
  3. Step 3: Cross multiply
    69,469.57x = 95,866.75 × 39,254.24
  4. Step 4: Simplify right side
    69,469.57x = 3,763,176,419.42
  5. Step 5: Solve for x
    x = 3,763,176,419.42/69,469.57
  6. Step 6: Final answer
    x = 54,170.14

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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.