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Finding the Fourth Proportional to 8,010.79, 12,016.79 and 2,167.31

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Solution

The fourth proportional to 8,010.79, 12,016.79 and 2,167.31 is: 3,251.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,010.79 : 12,016.79 = 2,167.31 : x
  2. Step 2: Convert to fraction form
    8,010.79/12,016.79 = 2,167.31/x
  3. Step 3: Cross multiply
    8,010.79x = 12,016.79 × 2,167.31
  4. Step 4: Simplify right side
    8,010.79x = 26,044,109.13
  5. Step 5: Solve for x
    x = 26,044,109.13/8,010.79
  6. Step 6: Final answer
    x = 3,251.13

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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.