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Finding the Fourth Proportional to 67,174.58, 100,739.28 and 33,873.38

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Solution

The fourth proportional to 67,174.58, 100,739.28 and 33,873.38 is: 50,798.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,174.58 : 100,739.28 = 33,873.38 : x
  2. Step 2: Convert to fraction form
    67,174.58/100,739.28 = 33,873.38/x
  3. Step 3: Cross multiply
    67,174.58x = 100,739.28 × 33,873.38
  4. Step 4: Simplify right side
    67,174.58x = 3,412,379,912.37
  5. Step 5: Solve for x
    x = 3,412,379,912.37/67,174.58
  6. Step 6: Final answer
    x = 50,798.68

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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.