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Finding the Fourth Proportional to 16,086.80, 24,115.80 and 6,222.80

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Solution

The fourth proportional to 16,086.80, 24,115.80 and 6,222.80 is: 9,328.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,086.80 : 24,115.80 = 6,222.80 : x
  2. Step 2: Convert to fraction form
    16,086.80/24,115.80 = 6,222.80/x
  3. Step 3: Cross multiply
    16,086.80x = 24,115.80 × 6,222.80
  4. Step 4: Simplify right side
    16,086.80x = 150,067,800.24
  5. Step 5: Solve for x
    x = 150,067,800.24/16,086.80
  6. Step 6: Final answer
    x = 9,328.63

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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.