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Finding the Fourth Proportional to 16,519.66, 22,797.15 and 8,965.99

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Solution

The fourth proportional to 16,519.66, 22,797.15 and 8,965.99 is: 12,373.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,519.66 : 22,797.15 = 8,965.99 : x
  2. Step 2: Convert to fraction form
    16,519.66/22,797.15 = 8,965.99/x
  3. Step 3: Cross multiply
    16,519.66x = 22,797.15 × 8,965.99
  4. Step 4: Simplify right side
    16,519.66x = 204,399,041.34
  5. Step 5: Solve for x
    x = 204,399,041.34/16,519.66
  6. Step 6: Final answer
    x = 12,373.08

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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.