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Finding the Fourth Proportional to 62,951.10, 86,834.07 and 49,500.78

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Solution

The fourth proportional to 62,951.10, 86,834.07 and 49,500.78 is: 68,280.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,951.10 : 86,834.07 = 49,500.78 : x
  2. Step 2: Convert to fraction form
    62,951.10/86,834.07 = 49,500.78/x
  3. Step 3: Cross multiply
    62,951.10x = 86,834.07 × 49,500.78
  4. Step 4: Simplify right side
    62,951.10x = 4,298,354,195.57
  5. Step 5: Solve for x
    x = 4,298,354,195.57/62,951.10
  6. Step 6: Final answer
    x = 68,280.84

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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.