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Finding the Fourth Proportional to 6,523.92, 9,785.87 and 3,239.31

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Solution

The fourth proportional to 6,523.92, 9,785.87 and 3,239.31 is: 4,858.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,523.92 : 9,785.87 = 3,239.31 : x
  2. Step 2: Convert to fraction form
    6,523.92/9,785.87 = 3,239.31/x
  3. Step 3: Cross multiply
    6,523.92x = 9,785.87 × 3,239.31
  4. Step 4: Simplify right side
    6,523.92x = 31,699,499.20
  5. Step 5: Solve for x
    x = 31,699,499.20/6,523.92
  6. Step 6: Final answer
    x = 4,858.97

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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.