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Finding the Fourth Proportional to 16,618.88, 22,936.50 and 9,908.44

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Solution

The fourth proportional to 16,618.88, 22,936.50 and 9,908.44 is: 13,675.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,618.88 : 22,936.50 = 9,908.44 : x
  2. Step 2: Convert to fraction form
    16,618.88/22,936.50 = 9,908.44/x
  3. Step 3: Cross multiply
    16,618.88x = 22,936.50 × 9,908.44
  4. Step 4: Simplify right side
    16,618.88x = 227,264,876.72
  5. Step 5: Solve for x
    x = 227,264,876.72/16,618.88
  6. Step 6: Final answer
    x = 13,675.10

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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.