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Finding the Fourth Proportional to 16,519.74, 24,760.89 and 8,205.54

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Solution

The fourth proportional to 16,519.74, 24,760.89 and 8,205.54 is: 12,299.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,519.74 : 24,760.89 = 8,205.54 : x
  2. Step 2: Convert to fraction form
    16,519.74/24,760.89 = 8,205.54/x
  3. Step 3: Cross multiply
    16,519.74x = 24,760.89 × 8,205.54
  4. Step 4: Simplify right side
    16,519.74x = 203,176,473.33
  5. Step 5: Solve for x
    x = 203,176,473.33/16,519.74
  6. Step 6: Final answer
    x = 12,299.01

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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.