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Finding the Fourth Proportional to 67,183.55, 100,778.84 and 17,263.97

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Solution

The fourth proportional to 67,183.55, 100,778.84 and 17,263.97 is: 25,896.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,183.55 : 100,778.84 = 17,263.97 : x
  2. Step 2: Convert to fraction form
    67,183.55/100,778.84 = 17,263.97/x
  3. Step 3: Cross multiply
    67,183.55x = 100,778.84 × 17,263.97
  4. Step 4: Simplify right side
    67,183.55x = 1,739,843,165.50
  5. Step 5: Solve for x
    x = 1,739,843,165.50/67,183.55
  6. Step 6: Final answer
    x = 25,896.86

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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.