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Finding the Fourth Proportional to 733.05, 1,104.84 and 725.76

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Solution

The fourth proportional to 733.05, 1,104.84 and 725.76 is: 1,093.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.05 : 1,104.84 = 725.76 : x
  2. Step 2: Convert to fraction form
    733.05/1,104.84 = 725.76/x
  3. Step 3: Cross multiply
    733.05x = 1,104.84 × 725.76
  4. Step 4: Simplify right side
    733.05x = 801,848.68
  5. Step 5: Solve for x
    x = 801,848.68/733.05
  6. Step 6: Final answer
    x = 1,093.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.