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Finding the Fourth Proportional to 22,161.89, 33,255.25 and 11,773.37

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Solution

The fourth proportional to 22,161.89, 33,255.25 and 11,773.37 is: 17,666.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,161.89 : 33,255.25 = 11,773.37 : x
  2. Step 2: Convert to fraction form
    22,161.89/33,255.25 = 11,773.37/x
  3. Step 3: Cross multiply
    22,161.89x = 33,255.25 × 11,773.37
  4. Step 4: Simplify right side
    22,161.89x = 391,526,362.69
  5. Step 5: Solve for x
    x = 391,526,362.69/22,161.89
  6. Step 6: Final answer
    x = 17,666.65

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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.