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Finding the Fourth Proportional to 49.02, 73.02 and 44.16

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Solution

The fourth proportional to 49.02, 73.02 and 44.16 is: 65.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.02 : 73.02 = 44.16 : x
  2. Step 2: Convert to fraction form
    49.02/73.02 = 44.16/x
  3. Step 3: Cross multiply
    49.02x = 73.02 × 44.16
  4. Step 4: Simplify right side
    49.02x = 3,224.56
  5. Step 5: Solve for x
    x = 3,224.56/49.02
  6. Step 6: Final answer
    x = 65.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.