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Finding the Fourth Proportional to 18,147.88, 27,216.06 and 5,833

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Solution

The fourth proportional to 18,147.88, 27,216.06 and 5,833 is: 8,747.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147.88 : 27,216.06 = 5,833 : x
  2. Step 2: Convert to fraction form
    18,147.88/27,216.06 = 5,833/x
  3. Step 3: Cross multiply
    18,147.88x = 27,216.06 × 5,833
  4. Step 4: Simplify right side
    18,147.88x = 158,751,277.98
  5. Step 5: Solve for x
    x = 158,751,277.98/18,147.88
  6. Step 6: Final answer
    x = 8,747.65

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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.