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Finding the Fourth Proportional to 18,140.82, 25,034.43 and 10,183.14

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Solution

The fourth proportional to 18,140.82, 25,034.43 and 10,183.14 is: 14,052.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140.82 : 25,034.43 = 10,183.14 : x
  2. Step 2: Convert to fraction form
    18,140.82/25,034.43 = 10,183.14/x
  3. Step 3: Cross multiply
    18,140.82x = 25,034.43 × 10,183.14
  4. Step 4: Simplify right side
    18,140.82x = 254,929,105.51
  5. Step 5: Solve for x
    x = 254,929,105.51/18,140.82
  6. Step 6: Final answer
    x = 14,052.79

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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.