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Finding the Fourth Proportional to 8,229.80, 12,344.70 and 3,037.70

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Solution

The fourth proportional to 8,229.80, 12,344.70 and 3,037.70 is: 4,556.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.80 : 12,344.70 = 3,037.70 : x
  2. Step 2: Convert to fraction form
    8,229.80/12,344.70 = 3,037.70/x
  3. Step 3: Cross multiply
    8,229.80x = 12,344.70 × 3,037.70
  4. Step 4: Simplify right side
    8,229.80x = 37,499,495.19
  5. Step 5: Solve for x
    x = 37,499,495.19/8,229.80
  6. Step 6: Final answer
    x = 4,556.55

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Similar ratio
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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.