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Finding the Fourth Proportional to 18,042.66, 27,064.02 and 6,954.57

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Solution

The fourth proportional to 18,042.66, 27,064.02 and 6,954.57 is: 10,431.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042.66 : 27,064.02 = 6,954.57 : x
  2. Step 2: Convert to fraction form
    18,042.66/27,064.02 = 6,954.57/x
  3. Step 3: Cross multiply
    18,042.66x = 27,064.02 × 6,954.57
  4. Step 4: Simplify right side
    18,042.66x = 188,218,621.57
  5. Step 5: Solve for x
    x = 188,218,621.57/18,042.66
  6. Step 6: Final answer
    x = 10,431.87

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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.