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Finding the Fourth Proportional to 22,522.60, 33,787.53 and 6,940.21

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Solution

The fourth proportional to 22,522.60, 33,787.53 and 6,940.21 is: 10,411.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,522.60 : 33,787.53 = 6,940.21 : x
  2. Step 2: Convert to fraction form
    22,522.60/33,787.53 = 6,940.21/x
  3. Step 3: Cross multiply
    22,522.60x = 33,787.53 × 6,940.21
  4. Step 4: Simplify right side
    22,522.60x = 234,492,553.58
  5. Step 5: Solve for x
    x = 234,492,553.58/22,522.60
  6. Step 6: Final answer
    x = 10,411.43

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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.