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Finding the Fourth Proportional to 33,198.12, 45,813.30 and 18,294.12

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Solution

The fourth proportional to 33,198.12, 45,813.30 and 18,294.12 is: 25,245.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,198.12 : 45,813.30 = 18,294.12 : x
  2. Step 2: Convert to fraction form
    33,198.12/45,813.30 = 18,294.12/x
  3. Step 3: Cross multiply
    33,198.12x = 45,813.30 × 18,294.12
  4. Step 4: Simplify right side
    33,198.12x = 838,114,007.80
  5. Step 5: Solve for x
    x = 838,114,007.80/33,198.12
  6. Step 6: Final answer
    x = 25,245.83

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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.