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Finding the Fourth Proportional to 12,249.88, 18,375.22 and 5,837.08

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Solution

The fourth proportional to 12,249.88, 18,375.22 and 5,837.08 is: 8,755.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.88 : 18,375.22 = 5,837.08 : x
  2. Step 2: Convert to fraction form
    12,249.88/18,375.22 = 5,837.08/x
  3. Step 3: Cross multiply
    12,249.88x = 18,375.22 × 5,837.08
  4. Step 4: Simplify right side
    12,249.88x = 107,257,629.16
  5. Step 5: Solve for x
    x = 107,257,629.16/12,249.88
  6. Step 6: Final answer
    x = 8,755.81

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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.