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Finding the Fourth Proportional to 48,936.60, 73,404.90 and 40,633.20

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Solution

The fourth proportional to 48,936.60, 73,404.90 and 40,633.20 is: 60,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,936.60 : 73,404.90 = 40,633.20 : x
  2. Step 2: Convert to fraction form
    48,936.60/73,404.90 = 40,633.20/x
  3. Step 3: Cross multiply
    48,936.60x = 73,404.90 × 40,633.20
  4. Step 4: Simplify right side
    48,936.60x = 2,982,675,982.68
  5. Step 5: Solve for x
    x = 2,982,675,982.68/48,936.60
  6. Step 6: Final answer
    x = 60,949.80

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1.5x scale

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.