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Finding the Fourth Proportional to 22,195.68, 30,630.27 and 12,124.41

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Solution

The fourth proportional to 22,195.68, 30,630.27 and 12,124.41 is: 16,731.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,195.68 : 30,630.27 = 12,124.41 : x
  2. Step 2: Convert to fraction form
    22,195.68/30,630.27 = 12,124.41/x
  3. Step 3: Cross multiply
    22,195.68x = 30,630.27 × 12,124.41
  4. Step 4: Simplify right side
    22,195.68x = 371,373,951.89
  5. Step 5: Solve for x
    x = 371,373,951.89/22,195.68
  6. Step 6: Final answer
    x = 16,731.81

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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.