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Finding the Fourth Proportional to 22,059.88, 33,084.84 and 6,478.72

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Solution

The fourth proportional to 22,059.88, 33,084.84 and 6,478.72 is: 9,716.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,059.88 : 33,084.84 = 6,478.72 : x
  2. Step 2: Convert to fraction form
    22,059.88/33,084.84 = 6,478.72/x
  3. Step 3: Cross multiply
    22,059.88x = 33,084.84 × 6,478.72
  4. Step 4: Simplify right side
    22,059.88x = 214,347,414.60
  5. Step 5: Solve for x
    x = 214,347,414.60/22,059.88
  6. Step 6: Final answer
    x = 9,716.62

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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.