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Finding the Fourth Proportional to 3,034.80, 4,551.75 and 843.39

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Solution

The fourth proportional to 3,034.80, 4,551.75 and 843.39 is: 1,264.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.80 : 4,551.75 = 843.39 : x
  2. Step 2: Convert to fraction form
    3,034.80/4,551.75 = 843.39/x
  3. Step 3: Cross multiply
    3,034.80x = 4,551.75 × 843.39
  4. Step 4: Simplify right side
    3,034.80x = 3,838,900.43
  5. Step 5: Solve for x
    x = 3,838,900.43/3,034.80
  6. Step 6: Final answer
    x = 1,264.96

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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.