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Finding the Fourth Proportional to 67,854.70, 93,640.98 and 37,639.04

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Solution

The fourth proportional to 67,854.70, 93,640.98 and 37,639.04 is: 51,942.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,854.70 : 93,640.98 = 37,639.04 : x
  2. Step 2: Convert to fraction form
    67,854.70/93,640.98 = 37,639.04/x
  3. Step 3: Cross multiply
    67,854.70x = 93,640.98 × 37,639.04
  4. Step 4: Simplify right side
    67,854.70x = 3,524,556,591.86
  5. Step 5: Solve for x
    x = 3,524,556,591.86/67,854.70
  6. Step 6: Final answer
    x = 51,942.70

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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.