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Finding the Fourth Proportional to 1,996.73, 2,998.14 and 1,074.09

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Solution

The fourth proportional to 1,996.73, 2,998.14 and 1,074.09 is: 1,612.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.73 : 2,998.14 = 1,074.09 : x
  2. Step 2: Convert to fraction form
    1,996.73/2,998.14 = 1,074.09/x
  3. Step 3: Cross multiply
    1,996.73x = 2,998.14 × 1,074.09
  4. Step 4: Simplify right side
    1,996.73x = 3,220,272.19
  5. Step 5: Solve for x
    x = 3,220,272.19/1,996.73
  6. Step 6: Final answer
    x = 1,612.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.