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Finding the Fourth Proportional to 8,229.44, 12,340.88 and 3,034.08

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Solution

The fourth proportional to 8,229.44, 12,340.88 and 3,034.08 is: 4,549.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.44 : 12,340.88 = 3,034.08 : x
  2. Step 2: Convert to fraction form
    8,229.44/12,340.88 = 3,034.08/x
  3. Step 3: Cross multiply
    8,229.44x = 12,340.88 × 3,034.08
  4. Step 4: Simplify right side
    8,229.44x = 37,443,217.19
  5. Step 5: Solve for x
    x = 37,443,217.19/8,229.44
  6. Step 6: Final answer
    x = 4,549.91

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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.