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Finding the Fourth Proportional to 3,227, 4,842.64 and 1,767.18

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Solution

The fourth proportional to 3,227, 4,842.64 and 1,767.18 is: 2,651.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227 : 4,842.64 = 1,767.18 : x
  2. Step 2: Convert to fraction form
    3,227/4,842.64 = 1,767.18/x
  3. Step 3: Cross multiply
    3,227x = 4,842.64 × 1,767.18
  4. Step 4: Simplify right side
    3,227x = 8,557,816.56
  5. Step 5: Solve for x
    x = 8,557,816.56/3,227
  6. Step 6: Final answer
    x = 2,651.94

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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.