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Finding the Fourth Proportional to 17,171.21, 25,726.55 and 15,039.07

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Solution

The fourth proportional to 17,171.21, 25,726.55 and 15,039.07 is: 22,532.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,171.21 : 25,726.55 = 15,039.07 : x
  2. Step 2: Convert to fraction form
    17,171.21/25,726.55 = 15,039.07/x
  3. Step 3: Cross multiply
    17,171.21x = 25,726.55 × 15,039.07
  4. Step 4: Simplify right side
    17,171.21x = 386,903,246.80
  5. Step 5: Solve for x
    x = 386,903,246.80/17,171.21
  6. Step 6: Final answer
    x = 22,532.09

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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.