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Finding the Fourth Proportional to 66,895.97, 100,147.11 and 44,654.18

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Solution

The fourth proportional to 66,895.97, 100,147.11 and 44,654.18 is: 66,849.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,895.97 : 100,147.11 = 44,654.18 : x
  2. Step 2: Convert to fraction form
    66,895.97/100,147.11 = 44,654.18/x
  3. Step 3: Cross multiply
    66,895.97x = 100,147.11 × 44,654.18
  4. Step 4: Simplify right side
    66,895.97x = 4,471,986,575.68
  5. Step 5: Solve for x
    x = 4,471,986,575.68/66,895.97
  6. Step 6: Final answer
    x = 66,849.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.