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Finding the Fourth Proportional to 18,247.98, 27,372.64 and 8,250.82

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Solution

The fourth proportional to 18,247.98, 27,372.64 and 8,250.82 is: 12,376.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.98 : 27,372.64 = 8,250.82 : x
  2. Step 2: Convert to fraction form
    18,247.98/27,372.64 = 8,250.82/x
  3. Step 3: Cross multiply
    18,247.98x = 27,372.64 × 8,250.82
  4. Step 4: Simplify right side
    18,247.98x = 225,846,725.56
  5. Step 5: Solve for x
    x = 225,846,725.56/18,247.98
  6. Step 6: Final answer
    x = 12,376.53

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1.5x scale

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.