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Finding the Fourth Proportional to 16,872.30, 25,306.22 and 4,393.24

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Solution

The fourth proportional to 16,872.30, 25,306.22 and 4,393.24 is: 6,589.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,872.30 : 25,306.22 = 4,393.24 : x
  2. Step 2: Convert to fraction form
    16,872.30/25,306.22 = 4,393.24/x
  3. Step 3: Cross multiply
    16,872.30x = 25,306.22 × 4,393.24
  4. Step 4: Simplify right side
    16,872.30x = 111,176,245.67
  5. Step 5: Solve for x
    x = 111,176,245.67/16,872.30
  6. Step 6: Final answer
    x = 6,589.28

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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.