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Finding the Fourth Proportional to 43.42, 59.90 and 32.48

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Solution

The fourth proportional to 43.42, 59.90 and 32.48 is: 44.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.42 : 59.90 = 32.48 : x
  2. Step 2: Convert to fraction form
    43.42/59.90 = 32.48/x
  3. Step 3: Cross multiply
    43.42x = 59.90 × 32.48
  4. Step 4: Simplify right side
    43.42x = 1,945.55
  5. Step 5: Solve for x
    x = 1,945.55/43.42
  6. Step 6: Final answer
    x = 44.81

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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.