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Finding the Fourth Proportional to 25,448.44, 35,136.36 and 19,469.68

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Solution

The fourth proportional to 25,448.44, 35,136.36 and 19,469.68 is: 26,881.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,448.44 : 35,136.36 = 19,469.68 : x
  2. Step 2: Convert to fraction form
    25,448.44/35,136.36 = 19,469.68/x
  3. Step 3: Cross multiply
    25,448.44x = 35,136.36 × 19,469.68
  4. Step 4: Simplify right side
    25,448.44x = 684,093,685.56
  5. Step 5: Solve for x
    x = 684,093,685.56/25,448.44
  6. Step 6: Final answer
    x = 26,881.56

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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.