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Finding the Fourth Proportional to 11,414.26, 17,136.78 and 5,871.52

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Solution

The fourth proportional to 11,414.26, 17,136.78 and 5,871.52 is: 8,815.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,414.26 : 17,136.78 = 5,871.52 : x
  2. Step 2: Convert to fraction form
    11,414.26/17,136.78 = 5,871.52/x
  3. Step 3: Cross multiply
    11,414.26x = 17,136.78 × 5,871.52
  4. Step 4: Simplify right side
    11,414.26x = 100,618,946.51
  5. Step 5: Solve for x
    x = 100,618,946.51/11,414.26
  6. Step 6: Final answer
    x = 8,815.20

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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.