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Finding the Fourth Proportional to 18,054.78, 27,082.17 and 4,906.86

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Solution

The fourth proportional to 18,054.78, 27,082.17 and 4,906.86 is: 7,360.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,054.78 : 27,082.17 = 4,906.86 : x
  2. Step 2: Convert to fraction form
    18,054.78/27,082.17 = 4,906.86/x
  3. Step 3: Cross multiply
    18,054.78x = 27,082.17 × 4,906.86
  4. Step 4: Simplify right side
    18,054.78x = 132,888,416.69
  5. Step 5: Solve for x
    x = 132,888,416.69/18,054.78
  6. Step 6: Final answer
    x = 7,360.29

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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.