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Finding the Fourth Proportional to 14,540.82, 20,063.97 and 8,167.10

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Solution

The fourth proportional to 14,540.82, 20,063.97 and 8,167.10 is: 11,269.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,540.82 : 20,063.97 = 8,167.10 : x
  2. Step 2: Convert to fraction form
    14,540.82/20,063.97 = 8,167.10/x
  3. Step 3: Cross multiply
    14,540.82x = 20,063.97 × 8,167.10
  4. Step 4: Simplify right side
    14,540.82x = 163,864,469.15
  5. Step 5: Solve for x
    x = 163,864,469.15/14,540.82
  6. Step 6: Final answer
    x = 11,269.28

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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.