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Finding the Fourth Proportional to 6,149.94, 8,486.97 and 3,355.62

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Solution

The fourth proportional to 6,149.94, 8,486.97 and 3,355.62 is: 4,630.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,149.94 : 8,486.97 = 3,355.62 : x
  2. Step 2: Convert to fraction form
    6,149.94/8,486.97 = 3,355.62/x
  3. Step 3: Cross multiply
    6,149.94x = 8,486.97 × 3,355.62
  4. Step 4: Simplify right side
    6,149.94x = 28,479,046.27
  5. Step 5: Solve for x
    x = 28,479,046.27/6,149.94
  6. Step 6: Final answer
    x = 4,630.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.