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Finding the Fourth Proportional to 6,676.80, 9,213.91 and 3,692.44

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Solution

The fourth proportional to 6,676.80, 9,213.91 and 3,692.44 is: 5,095.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,676.80 : 9,213.91 = 3,692.44 : x
  2. Step 2: Convert to fraction form
    6,676.80/9,213.91 = 3,692.44/x
  3. Step 3: Cross multiply
    6,676.80x = 9,213.91 × 3,692.44
  4. Step 4: Simplify right side
    6,676.80x = 34,021,809.84
  5. Step 5: Solve for x
    x = 34,021,809.84/6,676.80
  6. Step 6: Final answer
    x = 5,095.53

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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.