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Finding the Fourth Proportional to 41,479.70, 62,219.78 and 10,314.95

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Solution

The fourth proportional to 41,479.70, 62,219.78 and 10,314.95 is: 15,472.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,479.70 : 62,219.78 = 10,314.95 : x
  2. Step 2: Convert to fraction form
    41,479.70/62,219.78 = 10,314.95/x
  3. Step 3: Cross multiply
    41,479.70x = 62,219.78 × 10,314.95
  4. Step 4: Simplify right side
    41,479.70x = 641,793,919.71
  5. Step 5: Solve for x
    x = 641,793,919.71/41,479.70
  6. Step 6: Final answer
    x = 15,472.48

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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.