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Finding the Fourth Proportional to 1,843.61, 2,544.51 and 1,098

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Solution

The fourth proportional to 1,843.61, 2,544.51 and 1,098 is: 1,515.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.61 : 2,544.51 = 1,098 : x
  2. Step 2: Convert to fraction form
    1,843.61/2,544.51 = 1,098/x
  3. Step 3: Cross multiply
    1,843.61x = 2,544.51 × 1,098
  4. Step 4: Simplify right side
    1,843.61x = 2,793,871.98
  5. Step 5: Solve for x
    x = 2,793,871.98/1,843.61
  6. Step 6: Final answer
    x = 1,515.44

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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.