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Finding the Fourth Proportional to 6,311.56, 9,467.34 and 1,694.92

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Solution

The fourth proportional to 6,311.56, 9,467.34 and 1,694.92 is: 2,542.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,311.56 : 9,467.34 = 1,694.92 : x
  2. Step 2: Convert to fraction form
    6,311.56/9,467.34 = 1,694.92/x
  3. Step 3: Cross multiply
    6,311.56x = 9,467.34 × 1,694.92
  4. Step 4: Simplify right side
    6,311.56x = 16,046,383.91
  5. Step 5: Solve for x
    x = 16,046,383.91/6,311.56
  6. Step 6: Final answer
    x = 2,542.38

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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.