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Finding the Fourth Proportional to 33,050.50, 45,610.05 and 18,146.50

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Solution

The fourth proportional to 33,050.50, 45,610.05 and 18,146.50 is: 25,042.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,050.50 : 45,610.05 = 18,146.50 : x
  2. Step 2: Convert to fraction form
    33,050.50/45,610.05 = 18,146.50/x
  3. Step 3: Cross multiply
    33,050.50x = 45,610.05 × 18,146.50
  4. Step 4: Simplify right side
    33,050.50x = 827,662,772.33
  5. Step 5: Solve for x
    x = 827,662,772.33/33,050.50
  6. Step 6: Final answer
    x = 25,042.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.