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Finding the Fourth Proportional to 53.68, 73.88 and 44

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Solution

The fourth proportional to 53.68, 73.88 and 44 is: 60.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.68 : 73.88 = 44 : x
  2. Step 2: Convert to fraction form
    53.68/73.88 = 44/x
  3. Step 3: Cross multiply
    53.68x = 73.88 × 44
  4. Step 4: Simplify right side
    53.68x = 3,250.72
  5. Step 5: Solve for x
    x = 3,250.72/53.68
  6. Step 6: Final answer
    x = 60.56

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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.