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Finding the Fourth Proportional to 49,243.38, 67,759.02 and 47,865.57

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Solution

The fourth proportional to 49,243.38, 67,759.02 and 47,865.57 is: 65,863.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,243.38 : 67,759.02 = 47,865.57 : x
  2. Step 2: Convert to fraction form
    49,243.38/67,759.02 = 47,865.57/x
  3. Step 3: Cross multiply
    49,243.38x = 67,759.02 × 47,865.57
  4. Step 4: Simplify right side
    49,243.38x = 3,243,324,114.94
  5. Step 5: Solve for x
    x = 3,243,324,114.94/49,243.38
  6. Step 6: Final answer
    x = 65,863.15

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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.