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Finding the Fourth Proportional to 43.12, 59.60 and 32.18

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Solution

The fourth proportional to 43.12, 59.60 and 32.18 is: 44.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.12 : 59.60 = 32.18 : x
  2. Step 2: Convert to fraction form
    43.12/59.60 = 32.18/x
  3. Step 3: Cross multiply
    43.12x = 59.60 × 32.18
  4. Step 4: Simplify right side
    43.12x = 1,917.77
  5. Step 5: Solve for x
    x = 1,917.77/43.12
  6. Step 6: Final answer
    x = 44.48

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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.