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Finding the Fourth Proportional to 1,997.84, 2,996.19 and 1,195.88

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Solution

The fourth proportional to 1,997.84, 2,996.19 and 1,195.88 is: 1,793.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997.84 : 2,996.19 = 1,195.88 : x
  2. Step 2: Convert to fraction form
    1,997.84/2,996.19 = 1,195.88/x
  3. Step 3: Cross multiply
    1,997.84x = 2,996.19 × 1,195.88
  4. Step 4: Simplify right side
    1,997.84x = 3,583,068.72
  5. Step 5: Solve for x
    x = 3,583,068.72/1,997.84
  6. Step 6: Final answer
    x = 1,793.48

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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.