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Finding the Fourth Proportional to 43.28, 59.72 and 32.37

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Solution

The fourth proportional to 43.28, 59.72 and 32.37 is: 44.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.28 : 59.72 = 32.37 : x
  2. Step 2: Convert to fraction form
    43.28/59.72 = 32.37/x
  3. Step 3: Cross multiply
    43.28x = 59.72 × 32.37
  4. Step 4: Simplify right side
    43.28x = 1,932.84
  5. Step 5: Solve for x
    x = 1,932.84/43.28
  6. Step 6: Final answer
    x = 44.66

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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.