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Finding the Fourth Proportional to 6,197.75, 9,296.63 and 3,890.87

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Solution

The fourth proportional to 6,197.75, 9,296.63 and 3,890.87 is: 5,836.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,197.75 : 9,296.63 = 3,890.87 : x
  2. Step 2: Convert to fraction form
    6,197.75/9,296.63 = 3,890.87/x
  3. Step 3: Cross multiply
    6,197.75x = 9,296.63 × 3,890.87
  4. Step 4: Simplify right side
    6,197.75x = 36,171,978.77
  5. Step 5: Solve for x
    x = 36,171,978.77/6,197.75
  6. Step 6: Final answer
    x = 5,836.31

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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.