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Finding the Fourth Proportional to 3,194.62, 4,791.96 and 1,114.62

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Solution

The fourth proportional to 3,194.62, 4,791.96 and 1,114.62 is: 1,671.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.62 : 4,791.96 = 1,114.62 : x
  2. Step 2: Convert to fraction form
    3,194.62/4,791.96 = 1,114.62/x
  3. Step 3: Cross multiply
    3,194.62x = 4,791.96 × 1,114.62
  4. Step 4: Simplify right side
    3,194.62x = 5,341,214.46
  5. Step 5: Solve for x
    x = 5,341,214.46/3,194.62
  6. Step 6: Final answer
    x = 1,671.94

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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.