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Finding the Fourth Proportional to 72,226.70, 108,371.07 and 27,884.60

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Solution

The fourth proportional to 72,226.70, 108,371.07 and 27,884.60 is: 41,838.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,226.70 : 108,371.07 = 27,884.60 : x
  2. Step 2: Convert to fraction form
    72,226.70/108,371.07 = 27,884.60/x
  3. Step 3: Cross multiply
    72,226.70x = 108,371.07 × 27,884.60
  4. Step 4: Simplify right side
    72,226.70x = 3,021,883,257.24
  5. Step 5: Solve for x
    x = 3,021,883,257.24/72,226.70
  6. Step 6: Final answer
    x = 41,838.87

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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.