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Finding the Fourth Proportional to 18,027.56, 27,044.45 and 8,035.86

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Solution

The fourth proportional to 18,027.56, 27,044.45 and 8,035.86 is: 12,055.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,027.56 : 27,044.45 = 8,035.86 : x
  2. Step 2: Convert to fraction form
    18,027.56/27,044.45 = 8,035.86/x
  3. Step 3: Cross multiply
    18,027.56x = 27,044.45 × 8,035.86
  4. Step 4: Simplify right side
    18,027.56x = 217,325,434.07
  5. Step 5: Solve for x
    x = 217,325,434.07/18,027.56
  6. Step 6: Final answer
    x = 12,055.18

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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.