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Finding the Fourth Proportional to 36,687.88, 55,000.20 and 15,608.62

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Solution

The fourth proportional to 36,687.88, 55,000.20 and 15,608.62 is: 23,399.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,687.88 : 55,000.20 = 15,608.62 : x
  2. Step 2: Convert to fraction form
    36,687.88/55,000.20 = 15,608.62/x
  3. Step 3: Cross multiply
    36,687.88x = 55,000.20 × 15,608.62
  4. Step 4: Simplify right side
    36,687.88x = 858,477,221.72
  5. Step 5: Solve for x
    x = 858,477,221.72/36,687.88
  6. Step 6: Final answer
    x = 23,399.48

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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.