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Finding the Fourth Proportional to 6,105.92, 8,425.96 and 3,453.20

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Solution

The fourth proportional to 6,105.92, 8,425.96 and 3,453.20 is: 4,765.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,105.92 : 8,425.96 = 3,453.20 : x
  2. Step 2: Convert to fraction form
    6,105.92/8,425.96 = 3,453.20/x
  3. Step 3: Cross multiply
    6,105.92x = 8,425.96 × 3,453.20
  4. Step 4: Simplify right side
    6,105.92x = 29,096,525.07
  5. Step 5: Solve for x
    x = 29,096,525.07/6,105.92
  6. Step 6: Final answer
    x = 4,765.30

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Half scale
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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.