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Finding the Fourth Proportional to 69,470.88, 95,874.96 and 39,259.68

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Solution

The fourth proportional to 69,470.88, 95,874.96 and 39,259.68 is: 54,181.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,470.88 : 95,874.96 = 39,259.68 : x
  2. Step 2: Convert to fraction form
    69,470.88/95,874.96 = 39,259.68/x
  3. Step 3: Cross multiply
    69,470.88x = 95,874.96 × 39,259.68
  4. Step 4: Simplify right side
    69,470.88x = 3,764,020,249.61
  5. Step 5: Solve for x
    x = 3,764,020,249.61/69,470.88
  6. Step 6: Final answer
    x = 54,181.27

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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.