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Finding the Fourth Proportional to 45.52, 62.84 and 36.88

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Solution

The fourth proportional to 45.52, 62.84 and 36.88 is: 50.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.52 : 62.84 = 36.88 : x
  2. Step 2: Convert to fraction form
    45.52/62.84 = 36.88/x
  3. Step 3: Cross multiply
    45.52x = 62.84 × 36.88
  4. Step 4: Simplify right side
    45.52x = 2,317.54
  5. Step 5: Solve for x
    x = 2,317.54/45.52
  6. Step 6: Final answer
    x = 50.91

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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.