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Finding the Fourth Proportional to 22,571.61, 33,861.21 and 8,340.92

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Solution

The fourth proportional to 22,571.61, 33,861.21 and 8,340.92 is: 12,512.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,571.61 : 33,861.21 = 8,340.92 : x
  2. Step 2: Convert to fraction form
    22,571.61/33,861.21 = 8,340.92/x
  3. Step 3: Cross multiply
    22,571.61x = 33,861.21 × 8,340.92
  4. Step 4: Simplify right side
    22,571.61x = 282,433,830.95
  5. Step 5: Solve for x
    x = 282,433,830.95/22,571.61
  6. Step 6: Final answer
    x = 12,512.79

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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.