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Finding the Fourth Proportional to 27,603, 41,338.62 and 15,891.66

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Solution

The fourth proportional to 27,603, 41,338.62 and 15,891.66 is: 23,799.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,603 : 41,338.62 = 15,891.66 : x
  2. Step 2: Convert to fraction form
    27,603/41,338.62 = 15,891.66/x
  3. Step 3: Cross multiply
    27,603x = 41,338.62 × 15,891.66
  4. Step 4: Simplify right side
    27,603x = 656,939,293.91
  5. Step 5: Solve for x
    x = 656,939,293.91/27,603
  6. Step 6: Final answer
    x = 23,799.56

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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.