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Finding the Fourth Proportional to 22,194.88, 33,285 and 7,399.72

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Solution

The fourth proportional to 22,194.88, 33,285 and 7,399.72 is: 11,097.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,194.88 : 33,285 = 7,399.72 : x
  2. Step 2: Convert to fraction form
    22,194.88/33,285 = 7,399.72/x
  3. Step 3: Cross multiply
    22,194.88x = 33,285 × 7,399.72
  4. Step 4: Simplify right side
    22,194.88x = 246,299,680.20
  5. Step 5: Solve for x
    x = 246,299,680.20/22,194.88
  6. Step 6: Final answer
    x = 11,097.14

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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.