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Finding the Fourth Proportional to 1,497.93, 2,067.13 and 868.82

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Solution

The fourth proportional to 1,497.93, 2,067.13 and 868.82 is: 1,198.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.93 : 2,067.13 = 868.82 : x
  2. Step 2: Convert to fraction form
    1,497.93/2,067.13 = 868.82/x
  3. Step 3: Cross multiply
    1,497.93x = 2,067.13 × 868.82
  4. Step 4: Simplify right side
    1,497.93x = 1,795,964.02
  5. Step 5: Solve for x
    x = 1,795,964.02/1,497.93
  6. Step 6: Final answer
    x = 1,198.97

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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.