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Finding the Fourth Proportional to 16,521.66, 22,799.91 and 8,967.99

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Solution

The fourth proportional to 16,521.66, 22,799.91 and 8,967.99 is: 12,375.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,521.66 : 22,799.91 = 8,967.99 : x
  2. Step 2: Convert to fraction form
    16,521.66/22,799.91 = 8,967.99/x
  3. Step 3: Cross multiply
    16,521.66x = 22,799.91 × 8,967.99
  4. Step 4: Simplify right side
    16,521.66x = 204,469,364.88
  5. Step 5: Solve for x
    x = 204,469,364.88/16,521.66
  6. Step 6: Final answer
    x = 12,375.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.