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Finding the Fourth Proportional to 2,563.80, 3,844.84 and 832

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Solution

The fourth proportional to 2,563.80, 3,844.84 and 832 is: 1,247.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,563.80 : 3,844.84 = 832 : x
  2. Step 2: Convert to fraction form
    2,563.80/3,844.84 = 832/x
  3. Step 3: Cross multiply
    2,563.80x = 3,844.84 × 832
  4. Step 4: Simplify right side
    2,563.80x = 3,198,906.88
  5. Step 5: Solve for x
    x = 3,198,906.88/2,563.80
  6. Step 6: Final answer
    x = 1,247.72

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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.