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Finding the Fourth Proportional to 1,462.93, 2,018.77 and 799.66

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Solution

The fourth proportional to 1,462.93, 2,018.77 and 799.66 is: 1,103.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462.93 : 2,018.77 = 799.66 : x
  2. Step 2: Convert to fraction form
    1,462.93/2,018.77 = 799.66/x
  3. Step 3: Cross multiply
    1,462.93x = 2,018.77 × 799.66
  4. Step 4: Simplify right side
    1,462.93x = 1,614,329.62
  5. Step 5: Solve for x
    x = 1,614,329.62/1,462.93
  6. Step 6: Final answer
    x = 1,103.49

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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.