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Finding the Fourth Proportional to 3,034.42, 4,551.89 and 843.17

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Solution

The fourth proportional to 3,034.42, 4,551.89 and 843.17 is: 1,264.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.42 : 4,551.89 = 843.17 : x
  2. Step 2: Convert to fraction form
    3,034.42/4,551.89 = 843.17/x
  3. Step 3: Cross multiply
    3,034.42x = 4,551.89 × 843.17
  4. Step 4: Simplify right side
    3,034.42x = 3,837,990.12
  5. Step 5: Solve for x
    x = 3,837,990.12/3,034.42
  6. Step 6: Final answer
    x = 1,264.82

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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.