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Finding the Fourth Proportional to 1,462.87, 2,018.75 and 799.71

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Solution

The fourth proportional to 1,462.87, 2,018.75 and 799.71 is: 1,103.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462.87 : 2,018.75 = 799.71 : x
  2. Step 2: Convert to fraction form
    1,462.87/2,018.75 = 799.71/x
  3. Step 3: Cross multiply
    1,462.87x = 2,018.75 × 799.71
  4. Step 4: Simplify right side
    1,462.87x = 1,614,405.24
  5. Step 5: Solve for x
    x = 1,614,405.24/1,462.87
  6. Step 6: Final answer
    x = 1,103.59

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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.