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Finding the Fourth Proportional to 37.60, 51.92 and 32.18

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Solution

The fourth proportional to 37.60, 51.92 and 32.18 is: 44.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.60 : 51.92 = 32.18 : x
  2. Step 2: Convert to fraction form
    37.60/51.92 = 32.18/x
  3. Step 3: Cross multiply
    37.60x = 51.92 × 32.18
  4. Step 4: Simplify right side
    37.60x = 1,670.79
  5. Step 5: Solve for x
    x = 1,670.79/37.60
  6. Step 6: Final answer
    x = 44.44

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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.