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Finding the Fourth Proportional to 18,010.93, 27,013.26 and 8,147.90

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Solution

The fourth proportional to 18,010.93, 27,013.26 and 8,147.90 is: 12,220.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,010.93 : 27,013.26 = 8,147.90 : x
  2. Step 2: Convert to fraction form
    18,010.93/27,013.26 = 8,147.90/x
  3. Step 3: Cross multiply
    18,010.93x = 27,013.26 × 8,147.90
  4. Step 4: Simplify right side
    18,010.93x = 220,101,341.15
  5. Step 5: Solve for x
    x = 220,101,341.15/18,010.93
  6. Step 6: Final answer
    x = 12,220.43

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.