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Finding the Fourth Proportional to 4,828, 6,662.70 and 2,732.08

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Solution

The fourth proportional to 4,828, 6,662.70 and 2,732.08 is: 3,770.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828 : 6,662.70 = 2,732.08 : x
  2. Step 2: Convert to fraction form
    4,828/6,662.70 = 2,732.08/x
  3. Step 3: Cross multiply
    4,828x = 6,662.70 × 2,732.08
  4. Step 4: Simplify right side
    4,828x = 18,203,029.42
  5. Step 5: Solve for x
    x = 18,203,029.42/4,828
  6. Step 6: Final answer
    x = 3,770.30

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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.