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Finding the Fourth Proportional to 49.10, 73.50 and 36.23

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Solution

The fourth proportional to 49.10, 73.50 and 36.23 is: 54.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.10 : 73.50 = 36.23 : x
  2. Step 2: Convert to fraction form
    49.10/73.50 = 36.23/x
  3. Step 3: Cross multiply
    49.10x = 73.50 × 36.23
  4. Step 4: Simplify right side
    49.10x = 2,662.91
  5. Step 5: Solve for x
    x = 2,662.91/49.10
  6. Step 6: Final answer
    x = 54.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.