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Finding the Fourth Proportional to 53.24, 73.44 and 44.54

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Solution

The fourth proportional to 53.24, 73.44 and 44.54 is: 61.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.24 : 73.44 = 44.54 : x
  2. Step 2: Convert to fraction form
    53.24/73.44 = 44.54/x
  3. Step 3: Cross multiply
    53.24x = 73.44 × 44.54
  4. Step 4: Simplify right side
    53.24x = 3,271.02
  5. Step 5: Solve for x
    x = 3,271.02/53.24
  6. Step 6: Final answer
    x = 61.44

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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.