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Finding the Fourth Proportional to 67,940.60, 101,910.83 and 44,561.57

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Solution

The fourth proportional to 67,940.60, 101,910.83 and 44,561.57 is: 66,842.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,940.60 : 101,910.83 = 44,561.57 : x
  2. Step 2: Convert to fraction form
    67,940.60/101,910.83 = 44,561.57/x
  3. Step 3: Cross multiply
    67,940.60x = 101,910.83 × 44,561.57
  4. Step 4: Simplify right side
    67,940.60x = 4,541,305,852.44
  5. Step 5: Solve for x
    x = 4,541,305,852.44/67,940.60
  6. Step 6: Final answer
    x = 66,842.30

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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.