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Finding the Fourth Proportional to 5,768.87, 7,960.92 and 3,250.98

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Solution

The fourth proportional to 5,768.87, 7,960.92 and 3,250.98 is: 4,486.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768.87 : 7,960.92 = 3,250.98 : x
  2. Step 2: Convert to fraction form
    5,768.87/7,960.92 = 3,250.98/x
  3. Step 3: Cross multiply
    5,768.87x = 7,960.92 × 3,250.98
  4. Step 4: Simplify right side
    5,768.87x = 25,880,791.70
  5. Step 5: Solve for x
    x = 25,880,791.70/5,768.87
  6. Step 6: Final answer
    x = 4,486.29

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1.5x scale

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.