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Finding the Fourth Proportional to 2,257.82, 3,387 and 796.67

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Solution

The fourth proportional to 2,257.82, 3,387 and 796.67 is: 1,195.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.82 : 3,387 = 796.67 : x
  2. Step 2: Convert to fraction form
    2,257.82/3,387 = 796.67/x
  3. Step 3: Cross multiply
    2,257.82x = 3,387 × 796.67
  4. Step 4: Simplify right side
    2,257.82x = 2,698,321.29
  5. Step 5: Solve for x
    x = 2,698,321.29/2,257.82
  6. Step 6: Final answer
    x = 1,195.10

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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.