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Finding the Fourth Proportional to 8,049.87, 12,079.13 and 3,369.15

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Solution

The fourth proportional to 8,049.87, 12,079.13 and 3,369.15 is: 5,055.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,049.87 : 12,079.13 = 3,369.15 : x
  2. Step 2: Convert to fraction form
    8,049.87/12,079.13 = 3,369.15/x
  3. Step 3: Cross multiply
    8,049.87x = 12,079.13 × 3,369.15
  4. Step 4: Simplify right side
    8,049.87x = 40,696,383.99
  5. Step 5: Solve for x
    x = 40,696,383.99/8,049.87
  6. Step 6: Final answer
    x = 5,055.53

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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.