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Finding the Fourth Proportional to 53.22, 73.44 and 32.49

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Solution

The fourth proportional to 53.22, 73.44 and 32.49 is: 44.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.22 : 73.44 = 32.49 : x
  2. Step 2: Convert to fraction form
    53.22/73.44 = 32.49/x
  3. Step 3: Cross multiply
    53.22x = 73.44 × 32.49
  4. Step 4: Simplify right side
    53.22x = 2,385.94
  5. Step 5: Solve for x
    x = 2,385.94/53.22
  6. Step 6: Final answer
    x = 44.83

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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.