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Finding the Fourth Proportional to 16,525.82, 22,805.85 and 8,972.24

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Solution

The fourth proportional to 16,525.82, 22,805.85 and 8,972.24 is: 12,381.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,525.82 : 22,805.85 = 8,972.24 : x
  2. Step 2: Convert to fraction form
    16,525.82/22,805.85 = 8,972.24/x
  3. Step 3: Cross multiply
    16,525.82x = 22,805.85 × 8,972.24
  4. Step 4: Simplify right side
    16,525.82x = 204,619,671.65
  5. Step 5: Solve for x
    x = 204,619,671.65/16,525.82
  6. Step 6: Final answer
    x = 12,381.81

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