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Finding the Fourth Proportional to 11,626.61, 16,044.65 and 6,321.43

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Solution

The fourth proportional to 11,626.61, 16,044.65 and 6,321.43 is: 8,723.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,626.61 : 16,044.65 = 6,321.43 : x
  2. Step 2: Convert to fraction form
    11,626.61/16,044.65 = 6,321.43/x
  3. Step 3: Cross multiply
    11,626.61x = 16,044.65 × 6,321.43
  4. Step 4: Simplify right side
    11,626.61x = 101,425,100.24
  5. Step 5: Solve for x
    x = 101,425,100.24/11,626.61
  6. Step 6: Final answer
    x = 8,723.53

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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.