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Finding the Fourth Proportional to 6,409.32, 9,614.94 and 2,249.82

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Solution

The fourth proportional to 6,409.32, 9,614.94 and 2,249.82 is: 3,375.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,409.32 : 9,614.94 = 2,249.82 : x
  2. Step 2: Convert to fraction form
    6,409.32/9,614.94 = 2,249.82/x
  3. Step 3: Cross multiply
    6,409.32x = 9,614.94 × 2,249.82
  4. Step 4: Simplify right side
    6,409.32x = 21,631,884.31
  5. Step 5: Solve for x
    x = 21,631,884.31/6,409.32
  6. Step 6: Final answer
    x = 3,375.07

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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.