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Finding the Fourth Proportional to 37.31, 51.37 and 32.46

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Solution

The fourth proportional to 37.31, 51.37 and 32.46 is: 44.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.31 : 51.37 = 32.46 : x
  2. Step 2: Convert to fraction form
    37.31/51.37 = 32.46/x
  3. Step 3: Cross multiply
    37.31x = 51.37 × 32.46
  4. Step 4: Simplify right side
    37.31x = 1,667.39
  5. Step 5: Solve for x
    x = 1,667.39/37.31
  6. Step 6: Final answer
    x = 44.69

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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.