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Finding the Fourth Proportional to 7,997.70, 11,996.55 and 4,301.67

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Solution

The fourth proportional to 7,997.70, 11,996.55 and 4,301.67 is: 6,452.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.70 : 11,996.55 = 4,301.67 : x
  2. Step 2: Convert to fraction form
    7,997.70/11,996.55 = 4,301.67/x
  3. Step 3: Cross multiply
    7,997.70x = 11,996.55 × 4,301.67
  4. Step 4: Simplify right side
    7,997.70x = 51,605,199.24
  5. Step 5: Solve for x
    x = 51,605,199.24/7,997.70
  6. Step 6: Final answer
    x = 6,452.51

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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.