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Finding the Fourth Proportional to 7,997.30, 11,995.95 and 4,294.44

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Solution

The fourth proportional to 7,997.30, 11,995.95 and 4,294.44 is: 6,441.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.30 : 11,995.95 = 4,294.44 : x
  2. Step 2: Convert to fraction form
    7,997.30/11,995.95 = 4,294.44/x
  3. Step 3: Cross multiply
    7,997.30x = 11,995.95 × 4,294.44
  4. Step 4: Simplify right side
    7,997.30x = 51,515,850.88
  5. Step 5: Solve for x
    x = 51,515,850.88/7,997.30
  6. Step 6: Final answer
    x = 6,441.65

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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.