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Finding the Fourth Proportional to 67,150.40, 100,650.72 and 27,659.84

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Solution

The fourth proportional to 67,150.40, 100,650.72 and 27,659.84 is: 41,458.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,150.40 : 100,650.72 = 27,659.84 : x
  2. Step 2: Convert to fraction form
    67,150.40/100,650.72 = 27,659.84/x
  3. Step 3: Cross multiply
    67,150.40x = 100,650.72 × 27,659.84
  4. Step 4: Simplify right side
    67,150.40x = 2,783,982,811.08
  5. Step 5: Solve for x
    x = 2,783,982,811.08/67,150.40
  6. Step 6: Final answer
    x = 41,458.92

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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.