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Finding the Fourth Proportional to 1,324.44, 1,826.82 and 799.56

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Solution

The fourth proportional to 1,324.44, 1,826.82 and 799.56 is: 1,102.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.44 : 1,826.82 = 799.56 : x
  2. Step 2: Convert to fraction form
    1,324.44/1,826.82 = 799.56/x
  3. Step 3: Cross multiply
    1,324.44x = 1,826.82 × 799.56
  4. Step 4: Simplify right side
    1,324.44x = 1,460,652.20
  5. Step 5: Solve for x
    x = 1,460,652.20/1,324.44
  6. Step 6: Final answer
    x = 1,102.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.