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Finding the Fourth Proportional to 1,837.41, 2,535.64 and 998.13

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Solution

The fourth proportional to 1,837.41, 2,535.64 and 998.13 is: 1,377.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.41 : 2,535.64 = 998.13 : x
  2. Step 2: Convert to fraction form
    1,837.41/2,535.64 = 998.13/x
  3. Step 3: Cross multiply
    1,837.41x = 2,535.64 × 998.13
  4. Step 4: Simplify right side
    1,837.41x = 2,530,893.26
  5. Step 5: Solve for x
    x = 2,530,893.26/1,837.41
  6. Step 6: Final answer
    x = 1,377.43

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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.