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Finding the Fourth Proportional to 18,791.82, 25,937.37 and 10,838.82

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Solution

The fourth proportional to 18,791.82, 25,937.37 and 10,838.82 is: 14,960.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,791.82 : 25,937.37 = 10,838.82 : x
  2. Step 2: Convert to fraction form
    18,791.82/25,937.37 = 10,838.82/x
  3. Step 3: Cross multiply
    18,791.82x = 25,937.37 × 10,838.82
  4. Step 4: Simplify right side
    18,791.82x = 281,130,484.70
  5. Step 5: Solve for x
    x = 281,130,484.70/18,791.82
  6. Step 6: Final answer
    x = 14,960.26

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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.