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Finding the Fourth Proportional to 11,049, 15,247.86 and 6,081

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Solution

The fourth proportional to 11,049, 15,247.86 and 6,081 is: 8,391.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,049 : 15,247.86 = 6,081 : x
  2. Step 2: Convert to fraction form
    11,049/15,247.86 = 6,081/x
  3. Step 3: Cross multiply
    11,049x = 15,247.86 × 6,081
  4. Step 4: Simplify right side
    11,049x = 92,722,236.66
  5. Step 5: Solve for x
    x = 92,722,236.66/11,049
  6. Step 6: Final answer
    x = 8,391.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.