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Finding the Fourth Proportional to 43.11, 59.43 and 32.17

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Solution

The fourth proportional to 43.11, 59.43 and 32.17 is: 44.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.11 : 59.43 = 32.17 : x
  2. Step 2: Convert to fraction form
    43.11/59.43 = 32.17/x
  3. Step 3: Cross multiply
    43.11x = 59.43 × 32.17
  4. Step 4: Simplify right side
    43.11x = 1,911.86
  5. Step 5: Solve for x
    x = 1,911.86/43.11
  6. Step 6: Final answer
    x = 44.35

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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.