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Finding the Fourth Proportional to 27,779.82, 41,679.48 and 8,059.56

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Solution

The fourth proportional to 27,779.82, 41,679.48 and 8,059.56 is: 12,092.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,779.82 : 41,679.48 = 8,059.56 : x
  2. Step 2: Convert to fraction form
    27,779.82/41,679.48 = 8,059.56/x
  3. Step 3: Cross multiply
    27,779.82x = 41,679.48 × 8,059.56
  4. Step 4: Simplify right side
    27,779.82x = 335,918,269.83
  5. Step 5: Solve for x
    x = 335,918,269.83/27,779.82
  6. Step 6: Final answer
    x = 12,092.17

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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.