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Finding the Fourth Proportional to 35.62, 53.43 and 33.94

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Solution

The fourth proportional to 35.62, 53.43 and 33.94 is: 50.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.62 : 53.43 = 33.94 : x
  2. Step 2: Convert to fraction form
    35.62/53.43 = 33.94/x
  3. Step 3: Cross multiply
    35.62x = 53.43 × 33.94
  4. Step 4: Simplify right side
    35.62x = 1,813.41
  5. Step 5: Solve for x
    x = 1,813.41/35.62
  6. Step 6: Final answer
    x = 50.91

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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.