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Finding the Fourth Proportional to 6,720.46, 9,269.46 and 4,481.22

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Solution

The fourth proportional to 6,720.46, 9,269.46 and 4,481.22 is: 6,180.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.46 : 9,269.46 = 4,481.22 : x
  2. Step 2: Convert to fraction form
    6,720.46/9,269.46 = 4,481.22/x
  3. Step 3: Cross multiply
    6,720.46x = 9,269.46 × 4,481.22
  4. Step 4: Simplify right side
    6,720.46x = 41,538,489.54
  5. Step 5: Solve for x
    x = 41,538,489.54/6,720.46
  6. Step 6: Final answer
    x = 6,180.90

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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.