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Finding the Fourth Proportional to 64,212.38, 88,617.03 and 35,919.98

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Solution

The fourth proportional to 64,212.38, 88,617.03 and 35,919.98 is: 49,571.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,212.38 : 88,617.03 = 35,919.98 : x
  2. Step 2: Convert to fraction form
    64,212.38/88,617.03 = 35,919.98/x
  3. Step 3: Cross multiply
    64,212.38x = 88,617.03 × 35,919.98
  4. Step 4: Simplify right side
    64,212.38x = 3,183,121,945.26
  5. Step 5: Solve for x
    x = 3,183,121,945.26/64,212.38
  6. Step 6: Final answer
    x = 49,571.78

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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.