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Finding the Fourth Proportional to 43.44, 65.04 and 32.60

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Solution

The fourth proportional to 43.44, 65.04 and 32.60 is: 48.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.44 : 65.04 = 32.60 : x
  2. Step 2: Convert to fraction form
    43.44/65.04 = 32.60/x
  3. Step 3: Cross multiply
    43.44x = 65.04 × 32.60
  4. Step 4: Simplify right side
    43.44x = 2,120.30
  5. Step 5: Solve for x
    x = 2,120.30/43.44
  6. Step 6: Final answer
    x = 48.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.