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Finding the Fourth Proportional to 1,462.26, 2,017.97 and 799.16

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Solution

The fourth proportional to 1,462.26, 2,017.97 and 799.16 is: 1,102.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462.26 : 2,017.97 = 799.16 : x
  2. Step 2: Convert to fraction form
    1,462.26/2,017.97 = 799.16/x
  3. Step 3: Cross multiply
    1,462.26x = 2,017.97 × 799.16
  4. Step 4: Simplify right side
    1,462.26x = 1,612,666.82
  5. Step 5: Solve for x
    x = 1,612,666.82/1,462.26
  6. Step 6: Final answer
    x = 1,102.86

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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.