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Finding the Fourth Proportional to 64,716.75, 96,943.89 and 33,486.39

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Solution

The fourth proportional to 64,716.75, 96,943.89 and 33,486.39 is: 50,161.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,716.75 : 96,943.89 = 33,486.39 : x
  2. Step 2: Convert to fraction form
    64,716.75/96,943.89 = 33,486.39/x
  3. Step 3: Cross multiply
    64,716.75x = 96,943.89 × 33,486.39
  4. Step 4: Simplify right side
    64,716.75x = 3,246,300,908.66
  5. Step 5: Solve for x
    x = 3,246,300,908.66/64,716.75
  6. Step 6: Final answer
    x = 50,161.68

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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.