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Finding the Fourth Proportional to 6,188.97, 8,540.79 and 3,356.32

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Solution

The fourth proportional to 6,188.97, 8,540.79 and 3,356.32 is: 4,631.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,188.97 : 8,540.79 = 3,356.32 : x
  2. Step 2: Convert to fraction form
    6,188.97/8,540.79 = 3,356.32/x
  3. Step 3: Cross multiply
    6,188.97x = 8,540.79 × 3,356.32
  4. Step 4: Simplify right side
    6,188.97x = 28,665,625.25
  5. Step 5: Solve for x
    x = 28,665,625.25/6,188.97
  6. Step 6: Final answer
    x = 4,631.73

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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.