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Finding the Fourth Proportional to 6,169.77, 8,512.70 and 3,481.38

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Solution

The fourth proportional to 6,169.77, 8,512.70 and 3,481.38 is: 4,803.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,169.77 : 8,512.70 = 3,481.38 : x
  2. Step 2: Convert to fraction form
    6,169.77/8,512.70 = 3,481.38/x
  3. Step 3: Cross multiply
    6,169.77x = 8,512.70 × 3,481.38
  4. Step 4: Simplify right side
    6,169.77x = 29,635,926.12
  5. Step 5: Solve for x
    x = 29,635,926.12/6,169.77
  6. Step 6: Final answer
    x = 4,803.41

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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.