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Finding the Fourth Proportional to 60,891.38, 91,337.09 and 39,849.14

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Solution

The fourth proportional to 60,891.38, 91,337.09 and 39,849.14 is: 59,773.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,891.38 : 91,337.09 = 39,849.14 : x
  2. Step 2: Convert to fraction form
    60,891.38/91,337.09 = 39,849.14/x
  3. Step 3: Cross multiply
    60,891.38x = 91,337.09 × 39,849.14
  4. Step 4: Simplify right side
    60,891.38x = 3,639,704,486.60
  5. Step 5: Solve for x
    x = 3,639,704,486.60/60,891.38
  6. Step 6: Final answer
    x = 59,773.72

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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.