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Finding the Fourth Proportional to 44.81, 67.37 and 38.06

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Solution

The fourth proportional to 44.81, 67.37 and 38.06 is: 57.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.81 : 67.37 = 38.06 : x
  2. Step 2: Convert to fraction form
    44.81/67.37 = 38.06/x
  3. Step 3: Cross multiply
    44.81x = 67.37 × 38.06
  4. Step 4: Simplify right side
    44.81x = 2,564.10
  5. Step 5: Solve for x
    x = 2,564.10/44.81
  6. Step 6: Final answer
    x = 57.22

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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.