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Finding the Fourth Proportional to 3,400, 4,692.06 and 2,003.08

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Solution

The fourth proportional to 3,400, 4,692.06 and 2,003.08 is: 2,764.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400 : 4,692.06 = 2,003.08 : x
  2. Step 2: Convert to fraction form
    3,400/4,692.06 = 2,003.08/x
  3. Step 3: Cross multiply
    3,400x = 4,692.06 × 2,003.08
  4. Step 4: Simplify right side
    3,400x = 9,398,571.54
  5. Step 5: Solve for x
    x = 9,398,571.54/3,400
  6. Step 6: Final answer
    x = 2,764.29

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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.