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Finding the Fourth Proportional to 43.03, 59.37 and 33.79

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Solution

The fourth proportional to 43.03, 59.37 and 33.79 is: 46.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.03 : 59.37 = 33.79 : x
  2. Step 2: Convert to fraction form
    43.03/59.37 = 33.79/x
  3. Step 3: Cross multiply
    43.03x = 59.37 × 33.79
  4. Step 4: Simplify right side
    43.03x = 2,006.11
  5. Step 5: Solve for x
    x = 2,006.11/43.03
  6. Step 6: Final answer
    x = 46.62

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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.