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Finding the Fourth Proportional to 6,754.87, 9,321.63 and 3,770.75

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Solution

The fourth proportional to 6,754.87, 9,321.63 and 3,770.75 is: 5,203.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,754.87 : 9,321.63 = 3,770.75 : x
  2. Step 2: Convert to fraction form
    6,754.87/9,321.63 = 3,770.75/x
  3. Step 3: Cross multiply
    6,754.87x = 9,321.63 × 3,770.75
  4. Step 4: Simplify right side
    6,754.87x = 35,149,566.70
  5. Step 5: Solve for x
    x = 35,149,566.70/6,754.87
  6. Step 6: Final answer
    x = 5,203.59

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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.