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Finding the Fourth Proportional to 44.53, 66.81 and 29.32

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Solution

The fourth proportional to 44.53, 66.81 and 29.32 is: 43.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.53 : 66.81 = 29.32 : x
  2. Step 2: Convert to fraction form
    44.53/66.81 = 29.32/x
  3. Step 3: Cross multiply
    44.53x = 66.81 × 29.32
  4. Step 4: Simplify right side
    44.53x = 1,958.69
  5. Step 5: Solve for x
    x = 1,958.69/44.53
  6. Step 6: Final answer
    x = 43.99

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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.