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Finding the Fourth Proportional to 6,692.84, 9,234.96 and 3,859.56

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Solution

The fourth proportional to 6,692.84, 9,234.96 and 3,859.56 is: 5,325.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,692.84 : 9,234.96 = 3,859.56 : x
  2. Step 2: Convert to fraction form
    6,692.84/9,234.96 = 3,859.56/x
  3. Step 3: Cross multiply
    6,692.84x = 9,234.96 × 3,859.56
  4. Step 4: Simplify right side
    6,692.84x = 35,642,882.22
  5. Step 5: Solve for x
    x = 35,642,882.22/6,692.84
  6. Step 6: Final answer
    x = 5,325.52

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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.