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Finding the Fourth Proportional to 1,827.44, 2,742 and 674

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Solution

The fourth proportional to 1,827.44, 2,742 and 674 is: 1,011.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827.44 : 2,742 = 674 : x
  2. Step 2: Convert to fraction form
    1,827.44/2,742 = 674/x
  3. Step 3: Cross multiply
    1,827.44x = 2,742 × 674
  4. Step 4: Simplify right side
    1,827.44x = 1,848,108
  5. Step 5: Solve for x
    x = 1,848,108/1,827.44
  6. Step 6: Final answer
    x = 1,011.31

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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.