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Finding the Fourth Proportional to 12,229.08, 16,865.73 and 8,244.96

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Solution

The fourth proportional to 12,229.08, 16,865.73 and 8,244.96 is: 11,371.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229.08 : 16,865.73 = 8,244.96 : x
  2. Step 2: Convert to fraction form
    12,229.08/16,865.73 = 8,244.96/x
  3. Step 3: Cross multiply
    12,229.08x = 16,865.73 × 8,244.96
  4. Step 4: Simplify right side
    12,229.08x = 139,057,269.22
  5. Step 5: Solve for x
    x = 139,057,269.22/12,229.08
  6. Step 6: Final answer
    x = 11,371.03

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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.