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Finding the Fourth Proportional to 6,108.75, 9,163.13 and 2,213.16

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Solution

The fourth proportional to 6,108.75, 9,163.13 and 2,213.16 is: 3,319.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.75 : 9,163.13 = 2,213.16 : x
  2. Step 2: Convert to fraction form
    6,108.75/9,163.13 = 2,213.16/x
  3. Step 3: Cross multiply
    6,108.75x = 9,163.13 × 2,213.16
  4. Step 4: Simplify right side
    6,108.75x = 20,279,427.36
  5. Step 5: Solve for x
    x = 20,279,427.36/6,108.75
  6. Step 6: Final answer
    x = 3,319.73

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.