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Finding the Fourth Proportional to 33,879.02, 50,814.41 and 8,920.98

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Solution

The fourth proportional to 33,879.02, 50,814.41 and 8,920.98 is: 13,380.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,879.02 : 50,814.41 = 8,920.98 : x
  2. Step 2: Convert to fraction form
    33,879.02/50,814.41 = 8,920.98/x
  3. Step 3: Cross multiply
    33,879.02x = 50,814.41 × 8,920.98
  4. Step 4: Simplify right side
    33,879.02x = 453,314,290.72
  5. Step 5: Solve for x
    x = 453,314,290.72/33,879.02
  6. Step 6: Final answer
    x = 13,380.39

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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.