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Finding the Fourth Proportional to 18,055.35, 27,076.82 and 6,961.14

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Solution

The fourth proportional to 18,055.35, 27,076.82 and 6,961.14 is: 10,439.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,055.35 : 27,076.82 = 6,961.14 : x
  2. Step 2: Convert to fraction form
    18,055.35/27,076.82 = 6,961.14/x
  3. Step 3: Cross multiply
    18,055.35x = 27,076.82 × 6,961.14
  4. Step 4: Simplify right side
    18,055.35x = 188,485,499.97
  5. Step 5: Solve for x
    x = 188,485,499.97/18,055.35
  6. Step 6: Final answer
    x = 10,439.32

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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.