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Finding the Fourth Proportional to 21,540.52, 32,297.46 and 8,377.48

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Solution

The fourth proportional to 21,540.52, 32,297.46 and 8,377.48 is: 12,561.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,540.52 : 32,297.46 = 8,377.48 : x
  2. Step 2: Convert to fraction form
    21,540.52/32,297.46 = 8,377.48/x
  3. Step 3: Cross multiply
    21,540.52x = 32,297.46 × 8,377.48
  4. Step 4: Simplify right side
    21,540.52x = 270,571,325.20
  5. Step 5: Solve for x
    x = 270,571,325.20/21,540.52
  6. Step 6: Final answer
    x = 12,561.04

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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.