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Finding the Fourth Proportional to 22,295.70, 33,447.94 and 8,255.86

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Solution

The fourth proportional to 22,295.70, 33,447.94 and 8,255.86 is: 12,385.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,295.70 : 33,447.94 = 8,255.86 : x
  2. Step 2: Convert to fraction form
    22,295.70/33,447.94 = 8,255.86/x
  3. Step 3: Cross multiply
    22,295.70x = 33,447.94 × 8,255.86
  4. Step 4: Simplify right side
    22,295.70x = 276,141,509.93
  5. Step 5: Solve for x
    x = 276,141,509.93/22,295.70
  6. Step 6: Final answer
    x = 12,385.42

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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.