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Finding the Fourth Proportional to 8,524.71, 12,778.80 and 4,366.68

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Solution

The fourth proportional to 8,524.71, 12,778.80 and 4,366.68 is: 6,545.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,524.71 : 12,778.80 = 4,366.68 : x
  2. Step 2: Convert to fraction form
    8,524.71/12,778.80 = 4,366.68/x
  3. Step 3: Cross multiply
    8,524.71x = 12,778.80 × 4,366.68
  4. Step 4: Simplify right side
    8,524.71x = 55,800,930.38
  5. Step 5: Solve for x
    x = 55,800,930.38/8,524.71
  6. Step 6: Final answer
    x = 6,545.79

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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.