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Finding the Fourth Proportional to 3,375.43, 5,063.13 and 1,184.78

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Solution

The fourth proportional to 3,375.43, 5,063.13 and 1,184.78 is: 1,777.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.43 : 5,063.13 = 1,184.78 : x
  2. Step 2: Convert to fraction form
    3,375.43/5,063.13 = 1,184.78/x
  3. Step 3: Cross multiply
    3,375.43x = 5,063.13 × 1,184.78
  4. Step 4: Simplify right side
    3,375.43x = 5,998,707.82
  5. Step 5: Solve for x
    x = 5,998,707.82/3,375.43
  6. Step 6: Final answer
    x = 1,777.17

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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.