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Finding the Fourth Proportional to 3,394.94, 5,092.41 and 1,086.62

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Solution

The fourth proportional to 3,394.94, 5,092.41 and 1,086.62 is: 1,629.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.94 : 5,092.41 = 1,086.62 : x
  2. Step 2: Convert to fraction form
    3,394.94/5,092.41 = 1,086.62/x
  3. Step 3: Cross multiply
    3,394.94x = 5,092.41 × 1,086.62
  4. Step 4: Simplify right side
    3,394.94x = 5,533,514.55
  5. Step 5: Solve for x
    x = 5,533,514.55/3,394.94
  6. Step 6: Final answer
    x = 1,629.93

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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.