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Finding the Fourth Proportional to 8,340.03, 12,461.13 and 8,049.38

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Solution

The fourth proportional to 8,340.03, 12,461.13 and 8,049.38 is: 12,026.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.03 : 12,461.13 = 8,049.38 : x
  2. Step 2: Convert to fraction form
    8,340.03/12,461.13 = 8,049.38/x
  3. Step 3: Cross multiply
    8,340.03x = 12,461.13 × 8,049.38
  4. Step 4: Simplify right side
    8,340.03x = 100,304,308.29
  5. Step 5: Solve for x
    x = 100,304,308.29/8,340.03
  6. Step 6: Final answer
    x = 12,026.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.