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Finding the Fourth Proportional to 35.66, 49.43 and 33.83

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Solution

The fourth proportional to 35.66, 49.43 and 33.83 is: 46.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.66 : 49.43 = 33.83 : x
  2. Step 2: Convert to fraction form
    35.66/49.43 = 33.83/x
  3. Step 3: Cross multiply
    35.66x = 49.43 × 33.83
  4. Step 4: Simplify right side
    35.66x = 1,672.05
  5. Step 5: Solve for x
    x = 1,672.05/35.66
  6. Step 6: Final answer
    x = 46.90

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.