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Finding the Fourth Proportional to 18,062.46, 27,093.06 and 6,375.42

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Solution

The fourth proportional to 18,062.46, 27,093.06 and 6,375.42 is: 9,562.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,062.46 : 27,093.06 = 6,375.42 : x
  2. Step 2: Convert to fraction form
    18,062.46/27,093.06 = 6,375.42/x
  3. Step 3: Cross multiply
    18,062.46x = 27,093.06 × 6,375.42
  4. Step 4: Simplify right side
    18,062.46x = 172,729,636.59
  5. Step 5: Solve for x
    x = 172,729,636.59/18,062.46
  6. Step 6: Final answer
    x = 9,562.91

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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.