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Finding the Fourth Proportional to 5,986.82, 8,261.82 and 3,469.41

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Solution

The fourth proportional to 5,986.82, 8,261.82 and 3,469.41 is: 4,787.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986.82 : 8,261.82 = 3,469.41 : x
  2. Step 2: Convert to fraction form
    5,986.82/8,261.82 = 3,469.41/x
  3. Step 3: Cross multiply
    5,986.82x = 8,261.82 × 3,469.41
  4. Step 4: Simplify right side
    5,986.82x = 28,663,623.58
  5. Step 5: Solve for x
    x = 28,663,623.58/5,986.82
  6. Step 6: Final answer
    x = 4,787.79

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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.