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Finding the Fourth Proportional to 44.57, 61.37 and 37.64

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Solution

The fourth proportional to 44.57, 61.37 and 37.64 is: 51.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.57 : 61.37 = 37.64 : x
  2. Step 2: Convert to fraction form
    44.57/61.37 = 37.64/x
  3. Step 3: Cross multiply
    44.57x = 61.37 × 37.64
  4. Step 4: Simplify right side
    44.57x = 2,309.78
  5. Step 5: Solve for x
    x = 2,309.78/44.57
  6. Step 6: Final answer
    x = 51.82

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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.