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Finding the Fourth Proportional to 19,404.26, 26,781.10 and 11,448.44

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Solution

The fourth proportional to 19,404.26, 26,781.10 and 11,448.44 is: 15,800.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,404.26 : 26,781.10 = 11,448.44 : x
  2. Step 2: Convert to fraction form
    19,404.26/26,781.10 = 11,448.44/x
  3. Step 3: Cross multiply
    19,404.26x = 26,781.10 × 11,448.44
  4. Step 4: Simplify right side
    19,404.26x = 306,601,816.48
  5. Step 5: Solve for x
    x = 306,601,816.48/19,404.26
  6. Step 6: Final answer
    x = 15,800.75

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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.