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Finding the Fourth Proportional to 37, 55.14 and 36.66

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Solution

The fourth proportional to 37, 55.14 and 36.66 is: 54.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37 : 55.14 = 36.66 : x
  2. Step 2: Convert to fraction form
    37/55.14 = 36.66/x
  3. Step 3: Cross multiply
    37x = 55.14 × 36.66
  4. Step 4: Simplify right side
    37x = 2,021.43
  5. Step 5: Solve for x
    x = 2,021.43/37
  6. Step 6: Final answer
    x = 54.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.