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Finding the Fourth Proportional to 53.24, 73.52 and 36

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Solution

The fourth proportional to 53.24, 73.52 and 36 is: 49.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.24 : 73.52 = 36 : x
  2. Step 2: Convert to fraction form
    53.24/73.52 = 36/x
  3. Step 3: Cross multiply
    53.24x = 73.52 × 36
  4. Step 4: Simplify right side
    53.24x = 2,646.72
  5. Step 5: Solve for x
    x = 2,646.72/53.24
  6. Step 6: Final answer
    x = 49.71

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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.