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Finding the Fourth Proportional to 16,796.80, 25,192.01 and 8,481.65

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Solution

The fourth proportional to 16,796.80, 25,192.01 and 8,481.65 is: 12,720.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,796.80 : 25,192.01 = 8,481.65 : x
  2. Step 2: Convert to fraction form
    16,796.80/25,192.01 = 8,481.65/x
  3. Step 3: Cross multiply
    16,796.80x = 25,192.01 × 8,481.65
  4. Step 4: Simplify right side
    16,796.80x = 213,669,706.86
  5. Step 5: Solve for x
    x = 213,669,706.86/16,796.80
  6. Step 6: Final answer
    x = 12,720.86

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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.