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Finding the Fourth Proportional to 3,195.67, 4,793.53 and 1,115.67

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Solution

The fourth proportional to 3,195.67, 4,793.53 and 1,115.67 is: 1,673.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.67 : 4,793.53 = 1,115.67 : x
  2. Step 2: Convert to fraction form
    3,195.67/4,793.53 = 1,115.67/x
  3. Step 3: Cross multiply
    3,195.67x = 4,793.53 × 1,115.67
  4. Step 4: Simplify right side
    3,195.67x = 5,347,997.62
  5. Step 5: Solve for x
    x = 5,347,997.62/3,195.67
  6. Step 6: Final answer
    x = 1,673.51

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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.