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Finding the Fourth Proportional to 36.63, 55.13 and 32.37

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Solution

The fourth proportional to 36.63, 55.13 and 32.37 is: 48.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.63 : 55.13 = 32.37 : x
  2. Step 2: Convert to fraction form
    36.63/55.13 = 32.37/x
  3. Step 3: Cross multiply
    36.63x = 55.13 × 32.37
  4. Step 4: Simplify right side
    36.63x = 1,784.56
  5. Step 5: Solve for x
    x = 1,784.56/36.63
  6. Step 6: Final answer
    x = 48.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.