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Finding the Fourth Proportional to 35.52, 49.12 and 33.91

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Solution

The fourth proportional to 35.52, 49.12 and 33.91 is: 46.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.52 : 49.12 = 33.91 : x
  2. Step 2: Convert to fraction form
    35.52/49.12 = 33.91/x
  3. Step 3: Cross multiply
    35.52x = 49.12 × 33.91
  4. Step 4: Simplify right side
    35.52x = 1,665.24
  5. Step 5: Solve for x
    x = 1,665.24/35.52
  6. Step 6: Final answer
    x = 46.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.