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Finding the Fourth Proportional to 36.84, 55.26 and 36.63

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Solution

The fourth proportional to 36.84, 55.26 and 36.63 is: 54.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.84 : 55.26 = 36.63 : x
  2. Step 2: Convert to fraction form
    36.84/55.26 = 36.63/x
  3. Step 3: Cross multiply
    36.84x = 55.26 × 36.63
  4. Step 4: Simplify right side
    36.84x = 2,024.17
  5. Step 5: Solve for x
    x = 2,024.17/36.84
  6. Step 6: Final answer
    x = 54.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.