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Finding the Fourth Proportional to 53.24, 73.43 and 36.92

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Solution

The fourth proportional to 53.24, 73.43 and 36.92 is: 50.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.24 : 73.43 = 36.92 : x
  2. Step 2: Convert to fraction form
    53.24/73.43 = 36.92/x
  3. Step 3: Cross multiply
    53.24x = 73.43 × 36.92
  4. Step 4: Simplify right side
    53.24x = 2,710.48
  5. Step 5: Solve for x
    x = 2,710.48/53.24
  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.