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Finding the Fourth Proportional to 35.94, 53.82 and 33.56

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Solution

The fourth proportional to 35.94, 53.82 and 33.56 is: 50.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.94 : 53.82 = 33.56 : x
  2. Step 2: Convert to fraction form
    35.94/53.82 = 33.56/x
  3. Step 3: Cross multiply
    35.94x = 53.82 × 33.56
  4. Step 4: Simplify right side
    35.94x = 1,806.20
  5. Step 5: Solve for x
    x = 1,806.20/35.94
  6. Step 6: Final answer
    x = 50.26

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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.