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Finding the Fourth Proportional to 35.54, 52.92 and 33.35

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Solution

The fourth proportional to 35.54, 52.92 and 33.35 is: 49.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.54 : 52.92 = 33.35 : x
  2. Step 2: Convert to fraction form
    35.54/52.92 = 33.35/x
  3. Step 3: Cross multiply
    35.54x = 52.92 × 33.35
  4. Step 4: Simplify right side
    35.54x = 1,764.49
  5. Step 5: Solve for x
    x = 1,764.49/35.54
  6. Step 6: Final answer
    x = 49.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.