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Finding the Fourth Proportional to 18,076.37, 24,945.37 and 10,118.72

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Solution

The fourth proportional to 18,076.37, 24,945.37 and 10,118.72 is: 13,963.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,076.37 : 24,945.37 = 10,118.72 : x
  2. Step 2: Convert to fraction form
    18,076.37/24,945.37 = 10,118.72/x
  3. Step 3: Cross multiply
    18,076.37x = 24,945.37 × 10,118.72
  4. Step 4: Simplify right side
    18,076.37x = 252,415,251.39
  5. Step 5: Solve for x
    x = 252,415,251.39/18,076.37
  6. Step 6: Final answer
    x = 13,963.83

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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.