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Finding the Fourth Proportional to 53.52, 73.82 and 36.24

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Solution

The fourth proportional to 53.52, 73.82 and 36.24 is: 49.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.52 : 73.82 = 36.24 : x
  2. Step 2: Convert to fraction form
    53.52/73.82 = 36.24/x
  3. Step 3: Cross multiply
    53.52x = 73.82 × 36.24
  4. Step 4: Simplify right side
    53.52x = 2,675.24
  5. Step 5: Solve for x
    x = 2,675.24/53.52
  6. Step 6: Final answer
    x = 49.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.