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Finding the Fourth Proportional to 22,380.71, 33,571.08 and 5,740.74

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Solution

The fourth proportional to 22,380.71, 33,571.08 and 5,740.74 is: 8,611.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,380.71 : 33,571.08 = 5,740.74 : x
  2. Step 2: Convert to fraction form
    22,380.71/33,571.08 = 5,740.74/x
  3. Step 3: Cross multiply
    22,380.71x = 33,571.08 × 5,740.74
  4. Step 4: Simplify right side
    22,380.71x = 192,722,813.10
  5. Step 5: Solve for x
    x = 192,722,813.10/22,380.71
  6. Step 6: Final answer
    x = 8,611.11

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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.