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Finding the Fourth Proportional to 2,043.96, 3,064.43 and 727.44

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Solution

The fourth proportional to 2,043.96, 3,064.43 and 727.44 is: 1,090.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.96 : 3,064.43 = 727.44 : x
  2. Step 2: Convert to fraction form
    2,043.96/3,064.43 = 727.44/x
  3. Step 3: Cross multiply
    2,043.96x = 3,064.43 × 727.44
  4. Step 4: Simplify right side
    2,043.96x = 2,229,188.96
  5. Step 5: Solve for x
    x = 2,229,188.96/2,043.96
  6. Step 6: Final answer
    x = 1,090.62

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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.