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Finding the Fourth Proportional to 53.44, 73.26 and 52.46

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Solution

The fourth proportional to 53.44, 73.26 and 52.46 is: 71.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.44 : 73.26 = 52.46 : x
  2. Step 2: Convert to fraction form
    53.44/73.26 = 52.46/x
  3. Step 3: Cross multiply
    53.44x = 73.26 × 52.46
  4. Step 4: Simplify right side
    53.44x = 3,843.39
  5. Step 5: Solve for x
    x = 3,843.39/53.44
  6. Step 6: Final answer
    x = 71.93

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.