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Finding the Fourth Proportional to 22,179.10, 33,269.25 and 7,387.49

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Solution

The fourth proportional to 22,179.10, 33,269.25 and 7,387.49 is: 11,081.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,179.10 : 33,269.25 = 7,387.49 : x
  2. Step 2: Convert to fraction form
    22,179.10/33,269.25 = 7,387.49/x
  3. Step 3: Cross multiply
    22,179.10x = 33,269.25 × 7,387.49
  4. Step 4: Simplify right side
    22,179.10x = 245,776,085.34
  5. Step 5: Solve for x
    x = 245,776,085.34/22,179.10
  6. Step 6: Final answer
    x = 11,081.43

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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.