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Finding the Fourth Proportional to 1,996.84, 2,993.96 and 826.52

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Solution

The fourth proportional to 1,996.84, 2,993.96 and 826.52 is: 1,239.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.84 : 2,993.96 = 826.52 : x
  2. Step 2: Convert to fraction form
    1,996.84/2,993.96 = 826.52/x
  3. Step 3: Cross multiply
    1,996.84x = 2,993.96 × 826.52
  4. Step 4: Simplify right side
    1,996.84x = 2,474,567.82
  5. Step 5: Solve for x
    x = 2,474,567.82/1,996.84
  6. Step 6: Final answer
    x = 1,239.25

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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.