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Finding the Fourth Proportional to 4,960.67, 7,425 and 2,736

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Solution

The fourth proportional to 4,960.67, 7,425 and 2,736 is: 4,095.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,960.67 : 7,425 = 2,736 : x
  2. Step 2: Convert to fraction form
    4,960.67/7,425 = 2,736/x
  3. Step 3: Cross multiply
    4,960.67x = 7,425 × 2,736
  4. Step 4: Simplify right side
    4,960.67x = 20,314,800
  5. Step 5: Solve for x
    x = 20,314,800/4,960.67
  6. Step 6: Final answer
    x = 4,095.18

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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.