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Finding the Fourth Proportional to 33,479.14, 50,218.98 and 8,519.20

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Solution

The fourth proportional to 33,479.14, 50,218.98 and 8,519.20 is: 12,778.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,479.14 : 50,218.98 = 8,519.20 : x
  2. Step 2: Convert to fraction form
    33,479.14/50,218.98 = 8,519.20/x
  3. Step 3: Cross multiply
    33,479.14x = 50,218.98 × 8,519.20
  4. Step 4: Simplify right side
    33,479.14x = 427,825,534.42
  5. Step 5: Solve for x
    x = 427,825,534.42/33,479.14
  6. Step 6: Final answer
    x = 12,778.87

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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.