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Finding the Fourth Proportional to 22,485.44, 33,731.80 and 8,446.56

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Solution

The fourth proportional to 22,485.44, 33,731.80 and 8,446.56 is: 12,671.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,485.44 : 33,731.80 = 8,446.56 : x
  2. Step 2: Convert to fraction form
    22,485.44/33,731.80 = 8,446.56/x
  3. Step 3: Cross multiply
    22,485.44x = 33,731.80 × 8,446.56
  4. Step 4: Simplify right side
    22,485.44x = 284,917,672.61
  5. Step 5: Solve for x
    x = 284,917,672.61/22,485.44
  6. Step 6: Final answer
    x = 12,671.21

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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.