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Finding the Fourth Proportional to 1,837.59, 2,535.87 and 998.29

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Solution

The fourth proportional to 1,837.59, 2,535.87 and 998.29 is: 1,377.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.59 : 2,535.87 = 998.29 : x
  2. Step 2: Convert to fraction form
    1,837.59/2,535.87 = 998.29/x
  3. Step 3: Cross multiply
    1,837.59x = 2,535.87 × 998.29
  4. Step 4: Simplify right side
    1,837.59x = 2,531,533.66
  5. Step 5: Solve for x
    x = 2,531,533.66/1,837.59
  6. Step 6: Final answer
    x = 1,377.64

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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.