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Finding the Fourth Proportional to 2,932.44, 4,392.11 and 2,269.81

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Solution

The fourth proportional to 2,932.44, 4,392.11 and 2,269.81 is: 3,399.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.44 : 4,392.11 = 2,269.81 : x
  2. Step 2: Convert to fraction form
    2,932.44/4,392.11 = 2,269.81/x
  3. Step 3: Cross multiply
    2,932.44x = 4,392.11 × 2,269.81
  4. Step 4: Simplify right side
    2,932.44x = 9,969,243.85
  5. Step 5: Solve for x
    x = 9,969,243.85/2,932.44
  6. Step 6: Final answer
    x = 3,399.64

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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.