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Finding the Fourth Proportional to 22,187.72, 33,277.98 and 7,396.76

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Solution

The fourth proportional to 22,187.72, 33,277.98 and 7,396.76 is: 11,093.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,187.72 : 33,277.98 = 7,396.76 : x
  2. Step 2: Convert to fraction form
    22,187.72/33,277.98 = 7,396.76/x
  3. Step 3: Cross multiply
    22,187.72x = 33,277.98 × 7,396.76
  4. Step 4: Simplify right side
    22,187.72x = 246,149,231.34
  5. Step 5: Solve for x
    x = 246,149,231.34/22,187.72
  6. Step 6: Final answer
    x = 11,093.94

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.