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Finding the Fourth Proportional to 67,144.92, 100,715.76 and 27,674.70

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Solution

The fourth proportional to 67,144.92, 100,715.76 and 27,674.70 is: 41,511.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,144.92 : 100,715.76 = 27,674.70 : x
  2. Step 2: Convert to fraction form
    67,144.92/100,715.76 = 27,674.70/x
  3. Step 3: Cross multiply
    67,144.92x = 100,715.76 × 27,674.70
  4. Step 4: Simplify right side
    67,144.92x = 2,787,278,443.27
  5. Step 5: Solve for x
    x = 2,787,278,443.27/67,144.92
  6. Step 6: Final answer
    x = 41,511.38

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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.