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Finding the Fourth Proportional to 1,834.44, 2,751.37 and 664.26

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Solution

The fourth proportional to 1,834.44, 2,751.37 and 664.26 is: 996.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834.44 : 2,751.37 = 664.26 : x
  2. Step 2: Convert to fraction form
    1,834.44/2,751.37 = 664.26/x
  3. Step 3: Cross multiply
    1,834.44x = 2,751.37 × 664.26
  4. Step 4: Simplify right side
    1,834.44x = 1,827,625.04
  5. Step 5: Solve for x
    x = 1,827,625.04/1,834.44
  6. Step 6: Final answer
    x = 996.28

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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.