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Finding the Fourth Proportional to 11,227.63, 16,841.49 and 3,436.42

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Solution

The fourth proportional to 11,227.63, 16,841.49 and 3,436.42 is: 5,154.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,227.63 : 16,841.49 = 3,436.42 : x
  2. Step 2: Convert to fraction form
    11,227.63/16,841.49 = 3,436.42/x
  3. Step 3: Cross multiply
    11,227.63x = 16,841.49 × 3,436.42
  4. Step 4: Simplify right side
    11,227.63x = 57,874,433.07
  5. Step 5: Solve for x
    x = 57,874,433.07/11,227.63
  6. Step 6: Final answer
    x = 5,154.64

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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.