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Finding the Fourth Proportional to 1,363.62, 2,044.22 and 997.91

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Solution

The fourth proportional to 1,363.62, 2,044.22 and 997.91 is: 1,495.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.62 : 2,044.22 = 997.91 : x
  2. Step 2: Convert to fraction form
    1,363.62/2,044.22 = 997.91/x
  3. Step 3: Cross multiply
    1,363.62x = 2,044.22 × 997.91
  4. Step 4: Simplify right side
    1,363.62x = 2,039,932.37
  5. Step 5: Solve for x
    x = 2,039,932.37/1,363.62
  6. Step 6: Final answer
    x = 1,495.97

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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.