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Finding the Fourth Proportional to 11,376.48, 17,064.60 and 2,942.94

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Solution

The fourth proportional to 11,376.48, 17,064.60 and 2,942.94 is: 4,414.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376.48 : 17,064.60 = 2,942.94 : x
  2. Step 2: Convert to fraction form
    11,376.48/17,064.60 = 2,942.94/x
  3. Step 3: Cross multiply
    11,376.48x = 17,064.60 × 2,942.94
  4. Step 4: Simplify right side
    11,376.48x = 50,220,093.92
  5. Step 5: Solve for x
    x = 50,220,093.92/11,376.48
  6. Step 6: Final answer
    x = 4,414.38

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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.