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Finding the Fourth Proportional to 22,136.48, 30,546.96 and 12,200.48

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Solution

The fourth proportional to 22,136.48, 30,546.96 and 12,200.48 is: 16,835.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,136.48 : 30,546.96 = 12,200.48 : x
  2. Step 2: Convert to fraction form
    22,136.48/30,546.96 = 12,200.48/x
  3. Step 3: Cross multiply
    22,136.48x = 30,546.96 × 12,200.48
  4. Step 4: Simplify right side
    22,136.48x = 372,687,574.54
  5. Step 5: Solve for x
    x = 372,687,574.54/22,136.48
  6. Step 6: Final answer
    x = 16,835.90

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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.