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Finding the Fourth Proportional to 20,194.01, 27,864.41 and 11,241.29

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Solution

The fourth proportional to 20,194.01, 27,864.41 and 11,241.29 is: 15,511.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.01 : 27,864.41 = 11,241.29 : x
  2. Step 2: Convert to fraction form
    20,194.01/27,864.41 = 11,241.29/x
  3. Step 3: Cross multiply
    20,194.01x = 27,864.41 × 11,241.29
  4. Step 4: Simplify right side
    20,194.01x = 313,231,717.96
  5. Step 5: Solve for x
    x = 313,231,717.96/20,194.01
  6. Step 6: Final answer
    x = 15,511.12

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