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Finding the Fourth Proportional to 24,279.25, 36,410.06 and 8,479.85

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Solution

The fourth proportional to 24,279.25, 36,410.06 and 8,479.85 is: 12,716.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,279.25 : 36,410.06 = 8,479.85 : x
  2. Step 2: Convert to fraction form
    24,279.25/36,410.06 = 8,479.85/x
  3. Step 3: Cross multiply
    24,279.25x = 36,410.06 × 8,479.85
  4. Step 4: Simplify right side
    24,279.25x = 308,751,847.29
  5. Step 5: Solve for x
    x = 308,751,847.29/24,279.25
  6. Step 6: Final answer
    x = 12,716.70

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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.