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Finding the Fourth Proportional to 37,362.90, 55,879.11 and 33,231.90

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Solution

The fourth proportional to 37,362.90, 55,879.11 and 33,231.90 is: 49,700.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,362.90 : 55,879.11 = 33,231.90 : x
  2. Step 2: Convert to fraction form
    37,362.90/55,879.11 = 33,231.90/x
  3. Step 3: Cross multiply
    37,362.90x = 55,879.11 × 33,231.90
  4. Step 4: Simplify right side
    37,362.90x = 1,856,968,995.61
  5. Step 5: Solve for x
    x = 1,856,968,995.61/37,362.90
  6. Step 6: Final answer
    x = 49,700.88

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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.