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Finding the Fourth Proportional to 64,593.78, 89,163.78 and 37,745.03

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Solution

The fourth proportional to 64,593.78, 89,163.78 and 37,745.03 is: 52,102.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,593.78 : 89,163.78 = 37,745.03 : x
  2. Step 2: Convert to fraction form
    64,593.78/89,163.78 = 37,745.03/x
  3. Step 3: Cross multiply
    64,593.78x = 89,163.78 × 37,745.03
  4. Step 4: Simplify right side
    64,593.78x = 3,365,489,105.19
  5. Step 5: Solve for x
    x = 3,365,489,105.19/64,593.78
  6. Step 6: Final answer
    x = 52,102.37

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Why These Related Problems?

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