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Finding the Fourth Proportional to 69,357.22, 104,040.15 and 27,798.82

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Solution

The fourth proportional to 69,357.22, 104,040.15 and 27,798.82 is: 41,699.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,357.22 : 104,040.15 = 27,798.82 : x
  2. Step 2: Convert to fraction form
    69,357.22/104,040.15 = 27,798.82/x
  3. Step 3: Cross multiply
    69,357.22x = 104,040.15 × 27,798.82
  4. Step 4: Simplify right side
    69,357.22x = 2,892,193,402.62
  5. Step 5: Solve for x
    x = 2,892,193,402.62/69,357.22
  6. Step 6: Final answer
    x = 41,699.96

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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.