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Finding the Fourth Proportional to 49.04, 73.70 and 36.23

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Solution

The fourth proportional to 49.04, 73.70 and 36.23 is: 54.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.04 : 73.70 = 36.23 : x
  2. Step 2: Convert to fraction form
    49.04/73.70 = 36.23/x
  3. Step 3: Cross multiply
    49.04x = 73.70 × 36.23
  4. Step 4: Simplify right side
    49.04x = 2,669.60
  5. Step 5: Solve for x
    x = 2,669.60/49.04
  6. Step 6: Final answer
    x = 54.44

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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.