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Finding the Fourth Proportional to 67,048.26, 100,584.72 and 22,072.20

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Solution

The fourth proportional to 67,048.26, 100,584.72 and 22,072.20 is: 33,112.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,048.26 : 100,584.72 = 22,072.20 : x
  2. Step 2: Convert to fraction form
    67,048.26/100,584.72 = 22,072.20/x
  3. Step 3: Cross multiply
    67,048.26x = 100,584.72 × 22,072.20
  4. Step 4: Simplify right side
    67,048.26x = 2,220,126,056.78
  5. Step 5: Solve for x
    x = 2,220,126,056.78/67,048.26
  6. Step 6: Final answer
    x = 33,112.36

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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.