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Finding the Fourth Proportional to 22,942.22, 34,425.87 and 8,902.80

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Solution

The fourth proportional to 22,942.22, 34,425.87 and 8,902.80 is: 13,359.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,942.22 : 34,425.87 = 8,902.80 : x
  2. Step 2: Convert to fraction form
    22,942.22/34,425.87 = 8,902.80/x
  3. Step 3: Cross multiply
    22,942.22x = 34,425.87 × 8,902.80
  4. Step 4: Simplify right side
    22,942.22x = 306,486,689.60
  5. Step 5: Solve for x
    x = 306,486,689.60/22,942.22
  6. Step 6: Final answer
    x = 13,359.07

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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.