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Finding the Fourth Proportional to 2,694.66, 4,039.39 and 844.48

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Solution

The fourth proportional to 2,694.66, 4,039.39 and 844.48 is: 1,265.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694.66 : 4,039.39 = 844.48 : x
  2. Step 2: Convert to fraction form
    2,694.66/4,039.39 = 844.48/x
  3. Step 3: Cross multiply
    2,694.66x = 4,039.39 × 844.48
  4. Step 4: Simplify right side
    2,694.66x = 3,411,190.17
  5. Step 5: Solve for x
    x = 3,411,190.17/2,694.66
  6. Step 6: Final answer
    x = 1,265.91

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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.