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Finding the Fourth Proportional to 36,192.80, 54,183.60 and 25,824.80

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Solution

The fourth proportional to 36,192.80, 54,183.60 and 25,824.80 is: 38,661.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,192.80 : 54,183.60 = 25,824.80 : x
  2. Step 2: Convert to fraction form
    36,192.80/54,183.60 = 25,824.80/x
  3. Step 3: Cross multiply
    36,192.80x = 54,183.60 × 25,824.80
  4. Step 4: Simplify right side
    36,192.80x = 1,399,280,633.28
  5. Step 5: Solve for x
    x = 1,399,280,633.28/36,192.80
  6. Step 6: Final answer
    x = 38,661.85

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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.