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Finding the Fourth Proportional to 1,462.23, 2,017.87 and 799.12

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Solution

The fourth proportional to 1,462.23, 2,017.87 and 799.12 is: 1,102.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462.23 : 2,017.87 = 799.12 : x
  2. Step 2: Convert to fraction form
    1,462.23/2,017.87 = 799.12/x
  3. Step 3: Cross multiply
    1,462.23x = 2,017.87 × 799.12
  4. Step 4: Simplify right side
    1,462.23x = 1,612,520.27
  5. Step 5: Solve for x
    x = 1,612,520.27/1,462.23
  6. Step 6: Final answer
    x = 1,102.78

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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.