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Finding the Fourth Proportional to 18,236.63, 27,344.01 and 8,363.54

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Solution

The fourth proportional to 18,236.63, 27,344.01 and 8,363.54 is: 12,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236.63 : 27,344.01 = 8,363.54 : x
  2. Step 2: Convert to fraction form
    18,236.63/27,344.01 = 8,363.54/x
  3. Step 3: Cross multiply
    18,236.63x = 27,344.01 × 8,363.54
  4. Step 4: Simplify right side
    18,236.63x = 228,692,789.76
  5. Step 5: Solve for x
    x = 228,692,789.76/18,236.63
  6. Step 6: Final answer
    x = 12,540.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.