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Finding the Fourth Proportional to 3,692.87, 5,517.69 and 3,563.68

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Solution

The fourth proportional to 3,692.87, 5,517.69 and 3,563.68 is: 5,324.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692.87 : 5,517.69 = 3,563.68 : x
  2. Step 2: Convert to fraction form
    3,692.87/5,517.69 = 3,563.68/x
  3. Step 3: Cross multiply
    3,692.87x = 5,517.69 × 3,563.68
  4. Step 4: Simplify right side
    3,692.87x = 19,663,264.69
  5. Step 5: Solve for x
    x = 19,663,264.69/3,692.87
  6. Step 6: Final answer
    x = 5,324.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.