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Finding the Fourth Proportional to 18,561.50, 27,846.57 and 6,249.50

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Solution

The fourth proportional to 18,561.50, 27,846.57 and 6,249.50 is: 9,375.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,561.50 : 27,846.57 = 6,249.50 : x
  2. Step 2: Convert to fraction form
    18,561.50/27,846.57 = 6,249.50/x
  3. Step 3: Cross multiply
    18,561.50x = 27,846.57 × 6,249.50
  4. Step 4: Simplify right side
    18,561.50x = 174,027,139.22
  5. Step 5: Solve for x
    x = 174,027,139.22/18,561.50
  6. Step 6: Final answer
    x = 9,375.70

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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.