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Finding the Fourth Proportional to 22,171.23, 30,596.39 and 12,099.89

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Solution

The fourth proportional to 22,171.23, 30,596.39 and 12,099.89 is: 16,697.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,171.23 : 30,596.39 = 12,099.89 : x
  2. Step 2: Convert to fraction form
    22,171.23/30,596.39 = 12,099.89/x
  3. Step 3: Cross multiply
    22,171.23x = 30,596.39 × 12,099.89
  4. Step 4: Simplify right side
    22,171.23x = 370,212,739.92
  5. Step 5: Solve for x
    x = 370,212,739.92/22,171.23
  6. Step 6: Final answer
    x = 16,697.89

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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.