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Finding the Fourth Proportional to 18,062.52, 27,072.99 and 6,963.66

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Solution

The fourth proportional to 18,062.52, 27,072.99 and 6,963.66 is: 10,437.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,062.52 : 27,072.99 = 6,963.66 : x
  2. Step 2: Convert to fraction form
    18,062.52/27,072.99 = 6,963.66/x
  3. Step 3: Cross multiply
    18,062.52x = 27,072.99 × 6,963.66
  4. Step 4: Simplify right side
    18,062.52x = 188,527,097.54
  5. Step 5: Solve for x
    x = 188,527,097.54/18,062.52
  6. Step 6: Final answer
    x = 10,437.47

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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.