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Finding the Fourth Proportional to 22,412.24, 33,648.60 and 11,891.60

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Solution

The fourth proportional to 22,412.24, 33,648.60 and 11,891.60 is: 17,853.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,412.24 : 33,648.60 = 11,891.60 : x
  2. Step 2: Convert to fraction form
    22,412.24/33,648.60 = 11,891.60/x
  3. Step 3: Cross multiply
    22,412.24x = 33,648.60 × 11,891.60
  4. Step 4: Simplify right side
    22,412.24x = 400,135,691.76
  5. Step 5: Solve for x
    x = 400,135,691.76/22,412.24
  6. Step 6: Final answer
    x = 17,853.44

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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.