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Finding the Fourth Proportional to 67,212.36, 100,880.84 and 33,955.83

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Solution

The fourth proportional to 67,212.36, 100,880.84 and 33,955.83 is: 50,965.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,212.36 : 100,880.84 = 33,955.83 : x
  2. Step 2: Convert to fraction form
    67,212.36/100,880.84 = 33,955.83/x
  3. Step 3: Cross multiply
    67,212.36x = 100,880.84 × 33,955.83
  4. Step 4: Simplify right side
    67,212.36x = 3,425,493,021.91
  5. Step 5: Solve for x
    x = 3,425,493,021.91/67,212.36
  6. Step 6: Final answer
    x = 50,965.23

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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.