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Finding the Fourth Proportional to 61,195.20, 91,829.19 and 33,114.68

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Solution

The fourth proportional to 61,195.20, 91,829.19 and 33,114.68 is: 49,691.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,195.20 : 91,829.19 = 33,114.68 : x
  2. Step 2: Convert to fraction form
    61,195.20/91,829.19 = 33,114.68/x
  3. Step 3: Cross multiply
    61,195.20x = 91,829.19 × 33,114.68
  4. Step 4: Simplify right side
    61,195.20x = 3,040,894,229.77
  5. Step 5: Solve for x
    x = 3,040,894,229.77/61,195.20
  6. Step 6: Final answer
    x = 49,691.71

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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.