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Finding the Fourth Proportional to 69,264.38, 95,584.86 and 39,456.38

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Solution

The fourth proportional to 69,264.38, 95,584.86 and 39,456.38 is: 54,449.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,264.38 : 95,584.86 = 39,456.38 : x
  2. Step 2: Convert to fraction form
    69,264.38/95,584.86 = 39,456.38/x
  3. Step 3: Cross multiply
    69,264.38x = 95,584.86 × 39,456.38
  4. Step 4: Simplify right side
    69,264.38x = 3,771,432,080.48
  5. Step 5: Solve for x
    x = 3,771,432,080.48/69,264.38
  6. Step 6: Final answer
    x = 54,449.81

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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.