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Finding the Fourth Proportional to 1,599, 2,398.68 and 733.92

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Solution

The fourth proportional to 1,599, 2,398.68 and 733.92 is: 1,100.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599 : 2,398.68 = 733.92 : x
  2. Step 2: Convert to fraction form
    1,599/2,398.68 = 733.92/x
  3. Step 3: Cross multiply
    1,599x = 2,398.68 × 733.92
  4. Step 4: Simplify right side
    1,599x = 1,760,439.23
  5. Step 5: Solve for x
    x = 1,760,439.23/1,599
  6. Step 6: Final answer
    x = 1,100.96

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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.