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Finding the Fourth Proportional to 22,146.93, 33,220.35 and 8,996.22

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Solution

The fourth proportional to 22,146.93, 33,220.35 and 8,996.22 is: 13,494.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,146.93 : 33,220.35 = 8,996.22 : x
  2. Step 2: Convert to fraction form
    22,146.93/33,220.35 = 8,996.22/x
  3. Step 3: Cross multiply
    22,146.93x = 33,220.35 × 8,996.22
  4. Step 4: Simplify right side
    22,146.93x = 298,857,577.08
  5. Step 5: Solve for x
    x = 298,857,577.08/22,146.93
  6. Step 6: Final answer
    x = 13,494.31

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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.