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Finding the Fourth Proportional to 69,470.43, 95,867.93 and 39,255.10

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Solution

The fourth proportional to 69,470.43, 95,867.93 and 39,255.10 is: 54,171.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,470.43 : 95,867.93 = 39,255.10 : x
  2. Step 2: Convert to fraction form
    69,470.43/95,867.93 = 39,255.10/x
  3. Step 3: Cross multiply
    69,470.43x = 95,867.93 × 39,255.10
  4. Step 4: Simplify right side
    69,470.43x = 3,763,304,503.33
  5. Step 5: Solve for x
    x = 3,763,304,503.33/69,470.43
  6. Step 6: Final answer
    x = 54,171.32

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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.