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Finding the Fourth Proportional to 64,634.28, 96,834.78 and 33,374.76

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Solution

The fourth proportional to 64,634.28, 96,834.78 and 33,374.76 is: 50,001.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,634.28 : 96,834.78 = 33,374.76 : x
  2. Step 2: Convert to fraction form
    64,634.28/96,834.78 = 33,374.76/x
  3. Step 3: Cross multiply
    64,634.28x = 96,834.78 × 33,374.76
  4. Step 4: Simplify right side
    64,634.28x = 3,231,837,542.15
  5. Step 5: Solve for x
    x = 3,231,837,542.15/64,634.28
  6. Step 6: Final answer
    x = 50,001.91

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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.