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Finding the Fourth Proportional to 6,692.48, 9,236.27 and 3,859.97

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Solution

The fourth proportional to 6,692.48, 9,236.27 and 3,859.97 is: 5,327.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,692.48 : 9,236.27 = 3,859.97 : x
  2. Step 2: Convert to fraction form
    6,692.48/9,236.27 = 3,859.97/x
  3. Step 3: Cross multiply
    6,692.48x = 9,236.27 × 3,859.97
  4. Step 4: Simplify right side
    6,692.48x = 35,651,734.19
  5. Step 5: Solve for x
    x = 35,651,734.19/6,692.48
  6. Step 6: Final answer
    x = 5,327.14

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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.