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Finding the Fourth Proportional to 43.36, 59.80 and 32.12

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Solution

The fourth proportional to 43.36, 59.80 and 32.12 is: 44.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.36 : 59.80 = 32.12 : x
  2. Step 2: Convert to fraction form
    43.36/59.80 = 32.12/x
  3. Step 3: Cross multiply
    43.36x = 59.80 × 32.12
  4. Step 4: Simplify right side
    43.36x = 1,920.78
  5. Step 5: Solve for x
    x = 1,920.78/43.36
  6. Step 6: Final answer
    x = 44.30

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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.