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Finding the Fourth Proportional to 18,106.39, 27,161.63 and 16,246.07

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Solution

The fourth proportional to 18,106.39, 27,161.63 and 16,246.07 is: 24,370.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106.39 : 27,161.63 = 16,246.07 : x
  2. Step 2: Convert to fraction form
    18,106.39/27,161.63 = 16,246.07/x
  3. Step 3: Cross multiply
    18,106.39x = 27,161.63 × 16,246.07
  4. Step 4: Simplify right side
    18,106.39x = 441,269,850.81
  5. Step 5: Solve for x
    x = 441,269,850.81/18,106.39
  6. Step 6: Final answer
    x = 24,370.95

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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.