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Finding the Fourth Proportional to 16,396.56, 22,629.20 and 9,324.05

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Solution

The fourth proportional to 16,396.56, 22,629.20 and 9,324.05 is: 12,868.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,396.56 : 22,629.20 = 9,324.05 : x
  2. Step 2: Convert to fraction form
    16,396.56/22,629.20 = 9,324.05/x
  3. Step 3: Cross multiply
    16,396.56x = 22,629.20 × 9,324.05
  4. Step 4: Simplify right side
    16,396.56x = 210,995,632.49
  5. Step 5: Solve for x
    x = 210,995,632.49/16,396.56
  6. Step 6: Final answer
    x = 12,868.29

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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.