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Finding the Fourth Proportional to 14,906.56, 20,573.60 and 8,622.60

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Solution

The fourth proportional to 14,906.56, 20,573.60 and 8,622.60 is: 11,900.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,906.56 : 20,573.60 = 8,622.60 : x
  2. Step 2: Convert to fraction form
    14,906.56/20,573.60 = 8,622.60/x
  3. Step 3: Cross multiply
    14,906.56x = 20,573.60 × 8,622.60
  4. Step 4: Simplify right side
    14,906.56x = 177,397,923.36
  5. Step 5: Solve for x
    x = 177,397,923.36/14,906.56
  6. Step 6: Final answer
    x = 11,900.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.