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Finding the Fourth Proportional to 49,136.36, 73,733.11 and 20,671.22

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Solution

The fourth proportional to 49,136.36, 73,733.11 and 20,671.22 is: 31,018.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,136.36 : 73,733.11 = 20,671.22 : x
  2. Step 2: Convert to fraction form
    49,136.36/73,733.11 = 20,671.22/x
  3. Step 3: Cross multiply
    49,136.36x = 73,733.11 × 20,671.22
  4. Step 4: Simplify right side
    49,136.36x = 1,524,153,470.75
  5. Step 5: Solve for x
    x = 1,524,153,470.75/49,136.36
  6. Step 6: Final answer
    x = 31,018.85

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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.