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Finding the Fourth Proportional to 22,474.59, 33,715.55 and 8,435.72

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Solution

The fourth proportional to 22,474.59, 33,715.55 and 8,435.72 is: 12,654.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,474.59 : 33,715.55 = 8,435.72 : x
  2. Step 2: Convert to fraction form
    22,474.59/33,715.55 = 8,435.72/x
  3. Step 3: Cross multiply
    22,474.59x = 33,715.55 × 8,435.72
  4. Step 4: Simplify right side
    22,474.59x = 284,414,981.56
  5. Step 5: Solve for x
    x = 284,414,981.56/22,474.59
  6. Step 6: Final answer
    x = 12,654.96

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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.