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Finding the Fourth Proportional to 4,997.97, 7,496.96 and 1,299.89

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Solution

The fourth proportional to 4,997.97, 7,496.96 and 1,299.89 is: 1,949.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997.97 : 7,496.96 = 1,299.89 : x
  2. Step 2: Convert to fraction form
    4,997.97/7,496.96 = 1,299.89/x
  3. Step 3: Cross multiply
    4,997.97x = 7,496.96 × 1,299.89
  4. Step 4: Simplify right side
    4,997.97x = 9,745,223.33
  5. Step 5: Solve for x
    x = 9,745,223.33/4,997.97
  6. Step 6: Final answer
    x = 1,949.84

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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.