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Finding the Fourth Proportional to 36.60, 50.48 and 32.96

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Solution

The fourth proportional to 36.60, 50.48 and 32.96 is: 45.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.60 : 50.48 = 32.96 : x
  2. Step 2: Convert to fraction form
    36.60/50.48 = 32.96/x
  3. Step 3: Cross multiply
    36.60x = 50.48 × 32.96
  4. Step 4: Simplify right side
    36.60x = 1,663.82
  5. Step 5: Solve for x
    x = 1,663.82/36.60
  6. Step 6: Final answer
    x = 45.46

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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.