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Finding the Fourth Proportional to 22,108.42, 30,510.21 and 12,037.29

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Solution

The fourth proportional to 22,108.42, 30,510.21 and 12,037.29 is: 16,611.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,108.42 : 30,510.21 = 12,037.29 : x
  2. Step 2: Convert to fraction form
    22,108.42/30,510.21 = 12,037.29/x
  3. Step 3: Cross multiply
    22,108.42x = 30,510.21 × 12,037.29
  4. Step 4: Simplify right side
    22,108.42x = 367,260,245.73
  5. Step 5: Solve for x
    x = 367,260,245.73/22,108.42
  6. Step 6: Final answer
    x = 16,611.78

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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.