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Finding the Fourth Proportional to 67,247.94, 100,871.88 and 22,257.21

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Solution

The fourth proportional to 67,247.94, 100,871.88 and 22,257.21 is: 33,385.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,247.94 : 100,871.88 = 22,257.21 : x
  2. Step 2: Convert to fraction form
    67,247.94/100,871.88 = 22,257.21/x
  3. Step 3: Cross multiply
    67,247.94x = 100,871.88 × 22,257.21
  4. Step 4: Simplify right side
    67,247.94x = 2,245,126,616.25
  5. Step 5: Solve for x
    x = 2,245,126,616.25/67,247.94
  6. Step 6: Final answer
    x = 33,385.81

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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.