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Finding the Fourth Proportional to 4,828, 6,662.64 and 2,732.13

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Solution

The fourth proportional to 4,828, 6,662.64 and 2,732.13 is: 3,770.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828 : 6,662.64 = 2,732.13 : x
  2. Step 2: Convert to fraction form
    4,828/6,662.64 = 2,732.13/x
  3. Step 3: Cross multiply
    4,828x = 6,662.64 × 2,732.13
  4. Step 4: Simplify right side
    4,828x = 18,203,198.62
  5. Step 5: Solve for x
    x = 18,203,198.62/4,828
  6. Step 6: Final answer
    x = 3,770.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.