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Finding the Fourth Proportional to 22,109.27, 30,510.05 and 12,037.55

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Solution

The fourth proportional to 22,109.27, 30,510.05 and 12,037.55 is: 16,611.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,109.27 : 30,510.05 = 12,037.55 : x
  2. Step 2: Convert to fraction form
    22,109.27/30,510.05 = 12,037.55/x
  3. Step 3: Cross multiply
    22,109.27x = 30,510.05 × 12,037.55
  4. Step 4: Simplify right side
    22,109.27x = 367,266,039.64
  5. Step 5: Solve for x
    x = 367,266,039.64/22,109.27
  6. Step 6: Final answer
    x = 16,611.41

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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.