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Finding the Fourth Proportional to 1,462.33, 2,017.96 and 799.21

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Solution

The fourth proportional to 1,462.33, 2,017.96 and 799.21 is: 1,102.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462.33 : 2,017.96 = 799.21 : x
  2. Step 2: Convert to fraction form
    1,462.33/2,017.96 = 799.21/x
  3. Step 3: Cross multiply
    1,462.33x = 2,017.96 × 799.21
  4. Step 4: Simplify right side
    1,462.33x = 1,612,773.81
  5. Step 5: Solve for x
    x = 1,612,773.81/1,462.33
  6. Step 6: Final answer
    x = 1,102.88

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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.