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Finding the Fourth Proportional to 36,458.80, 54,658.20 and 16,469.60

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Solution

The fourth proportional to 36,458.80, 54,658.20 and 16,469.60 is: 24,690.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,458.80 : 54,658.20 = 16,469.60 : x
  2. Step 2: Convert to fraction form
    36,458.80/54,658.20 = 16,469.60/x
  3. Step 3: Cross multiply
    36,458.80x = 54,658.20 × 16,469.60
  4. Step 4: Simplify right side
    36,458.80x = 900,198,690.72
  5. Step 5: Solve for x
    x = 900,198,690.72/36,458.80
  6. Step 6: Final answer
    x = 24,690.85

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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.