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Finding the Fourth Proportional to 53.04, 73.28 and 43.44

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Solution

The fourth proportional to 53.04, 73.28 and 43.44 is: 60.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.04 : 73.28 = 43.44 : x
  2. Step 2: Convert to fraction form
    53.04/73.28 = 43.44/x
  3. Step 3: Cross multiply
    53.04x = 73.28 × 43.44
  4. Step 4: Simplify right side
    53.04x = 3,183.28
  5. Step 5: Solve for x
    x = 3,183.28/53.04
  6. Step 6: Final answer
    x = 60.02

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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.