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Finding the Fourth Proportional to 35.96, 53.94 and 33.64

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Solution

The fourth proportional to 35.96, 53.94 and 33.64 is: 50.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.96 : 53.94 = 33.64 : x
  2. Step 2: Convert to fraction form
    35.96/53.94 = 33.64/x
  3. Step 3: Cross multiply
    35.96x = 53.94 × 33.64
  4. Step 4: Simplify right side
    35.96x = 1,814.54
  5. Step 5: Solve for x
    x = 1,814.54/35.96
  6. Step 6: Final answer
    x = 50.46

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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.