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Finding the Fourth Proportional to 53.24, 73.46 and 33.55

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Solution

The fourth proportional to 53.24, 73.46 and 33.55 is: 46.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.24 : 73.46 = 33.55 : x
  2. Step 2: Convert to fraction form
    53.24/73.46 = 33.55/x
  3. Step 3: Cross multiply
    53.24x = 73.46 × 33.55
  4. Step 4: Simplify right side
    53.24x = 2,464.48
  5. Step 5: Solve for x
    x = 2,464.48/53.24
  6. Step 6: Final answer
    x = 46.29

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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.