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Finding the Fourth Proportional to 18,126.20, 27,178.20 and 16,579.23

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Solution

The fourth proportional to 18,126.20, 27,178.20 and 16,579.23 is: 24,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.20 : 27,178.20 = 16,579.23 : x
  2. Step 2: Convert to fraction form
    18,126.20/27,178.20 = 16,579.23/x
  3. Step 3: Cross multiply
    18,126.20x = 27,178.20 × 16,579.23
  4. Step 4: Simplify right side
    18,126.20x = 450,593,628.79
  5. Step 5: Solve for x
    x = 450,593,628.79/18,126.20
  6. Step 6: Final answer
    x = 24,858.70

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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.