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Finding the Fourth Proportional to 64.07, 95.98 and 33.56

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Solution

The fourth proportional to 64.07, 95.98 and 33.56 is: 50.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.07 : 95.98 = 33.56 : x
  2. Step 2: Convert to fraction form
    64.07/95.98 = 33.56/x
  3. Step 3: Cross multiply
    64.07x = 95.98 × 33.56
  4. Step 4: Simplify right side
    64.07x = 3,221.09
  5. Step 5: Solve for x
    x = 3,221.09/64.07
  6. Step 6: Final answer
    x = 50.27

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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.