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Finding the Fourth Proportional to 57,999.72, 87,000.09 and 22,939.37

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Solution

The fourth proportional to 57,999.72, 87,000.09 and 22,939.37 is: 34,409.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,999.72 : 87,000.09 = 22,939.37 : x
  2. Step 2: Convert to fraction form
    57,999.72/87,000.09 = 22,939.37/x
  3. Step 3: Cross multiply
    57,999.72x = 87,000.09 × 22,939.37
  4. Step 4: Simplify right side
    57,999.72x = 1,995,726,819.54
  5. Step 5: Solve for x
    x = 1,995,726,819.54/57,999.72
  6. Step 6: Final answer
    x = 34,409.25

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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.