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Finding the Fourth Proportional to 53.24, 73.46 and 36.84

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Solution

The fourth proportional to 53.24, 73.46 and 36.84 is: 50.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.24 : 73.46 = 36.84 : x
  2. Step 2: Convert to fraction form
    53.24/73.46 = 36.84/x
  3. Step 3: Cross multiply
    53.24x = 73.46 × 36.84
  4. Step 4: Simplify right side
    53.24x = 2,706.08
  5. Step 5: Solve for x
    x = 2,706.08/53.24
  6. Step 6: Final answer
    x = 50.83

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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.