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Finding the Fourth Proportional to 49.02, 73.52 and 46.05

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Solution

The fourth proportional to 49.02, 73.52 and 46.05 is: 69.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.02 : 73.52 = 46.05 : x
  2. Step 2: Convert to fraction form
    49.02/73.52 = 46.05/x
  3. Step 3: Cross multiply
    49.02x = 73.52 × 46.05
  4. Step 4: Simplify right side
    49.02x = 3,385.44
  5. Step 5: Solve for x
    x = 3,385.44/49.02
  6. Step 6: Final answer
    x = 69.07

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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.