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Finding the Fourth Proportional to 7,249.86, 10,879.11 and 2,633.22

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Solution

The fourth proportional to 7,249.86, 10,879.11 and 2,633.22 is: 3,951.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.86 : 10,879.11 = 2,633.22 : x
  2. Step 2: Convert to fraction form
    7,249.86/10,879.11 = 2,633.22/x
  3. Step 3: Cross multiply
    7,249.86x = 10,879.11 × 2,633.22
  4. Step 4: Simplify right side
    7,249.86x = 28,647,090.03
  5. Step 5: Solve for x
    x = 28,647,090.03/7,249.86
  6. Step 6: Final answer
    x = 3,951.40

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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.