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Finding the Fourth Proportional to 2,743, 4,114.49 and 795.20

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Solution

The fourth proportional to 2,743, 4,114.49 and 795.20 is: 1,192.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743 : 4,114.49 = 795.20 : x
  2. Step 2: Convert to fraction form
    2,743/4,114.49 = 795.20/x
  3. Step 3: Cross multiply
    2,743x = 4,114.49 × 795.20
  4. Step 4: Simplify right side
    2,743x = 3,271,842.45
  5. Step 5: Solve for x
    x = 3,271,842.45/2,743
  6. Step 6: Final answer
    x = 1,192.80

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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.