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Finding the Fourth Proportional to 5,932.20, 8,882.10 and 4,279.80

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Solution

The fourth proportional to 5,932.20, 8,882.10 and 4,279.80 is: 6,408.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,932.20 : 8,882.10 = 4,279.80 : x
  2. Step 2: Convert to fraction form
    5,932.20/8,882.10 = 4,279.80/x
  3. Step 3: Cross multiply
    5,932.20x = 8,882.10 × 4,279.80
  4. Step 4: Simplify right side
    5,932.20x = 38,013,611.58
  5. Step 5: Solve for x
    x = 38,013,611.58/5,932.20
  6. Step 6: Final answer
    x = 6,408.01

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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.