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Finding the Fourth Proportional to 29,993.87, 44,951.77 and 12,203.79

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Solution

The fourth proportional to 29,993.87, 44,951.77 and 12,203.79 is: 18,289.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,993.87 : 44,951.77 = 12,203.79 : x
  2. Step 2: Convert to fraction form
    29,993.87/44,951.77 = 12,203.79/x
  3. Step 3: Cross multiply
    29,993.87x = 44,951.77 × 12,203.79
  4. Step 4: Simplify right side
    29,993.87x = 548,581,675.43
  5. Step 5: Solve for x
    x = 548,581,675.43/29,993.87
  6. Step 6: Final answer
    x = 18,289.80

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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.