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Finding the Fourth Proportional to 16,685.44, 25,027.44 and 6,821.44

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Solution

The fourth proportional to 16,685.44, 25,027.44 and 6,821.44 is: 10,231.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,685.44 : 25,027.44 = 6,821.44 : x
  2. Step 2: Convert to fraction form
    16,685.44/25,027.44 = 6,821.44/x
  3. Step 3: Cross multiply
    16,685.44x = 25,027.44 × 6,821.44
  4. Step 4: Simplify right side
    16,685.44x = 170,723,180.31
  5. Step 5: Solve for x
    x = 170,723,180.31/16,685.44
  6. Step 6: Final answer
    x = 10,231.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.