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Finding the Fourth Proportional to 57,575.82, 86,363.73 and 22,490.87

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Solution

The fourth proportional to 57,575.82, 86,363.73 and 22,490.87 is: 33,736.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,575.82 : 86,363.73 = 22,490.87 : x
  2. Step 2: Convert to fraction form
    57,575.82/86,363.73 = 22,490.87/x
  3. Step 3: Cross multiply
    57,575.82x = 86,363.73 × 22,490.87
  4. Step 4: Simplify right side
    57,575.82x = 1,942,395,311.69
  5. Step 5: Solve for x
    x = 1,942,395,311.69/57,575.82
  6. Step 6: Final answer
    x = 33,736.31

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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.