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Finding the Fourth Proportional to 18,161.03, 25,059.43 and 10,201.71

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Solution

The fourth proportional to 18,161.03, 25,059.43 and 10,201.71 is: 14,076.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,161.03 : 25,059.43 = 10,201.71 : x
  2. Step 2: Convert to fraction form
    18,161.03/25,059.43 = 10,201.71/x
  3. Step 3: Cross multiply
    18,161.03x = 25,059.43 × 10,201.71
  4. Step 4: Simplify right side
    18,161.03x = 255,648,986.62
  5. Step 5: Solve for x
    x = 255,648,986.62/18,161.03
  6. Step 6: Final answer
    x = 14,076.79

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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.