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Finding the Fourth Proportional to 22,690.09, 34,035.17 and 8,839.09

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Solution

The fourth proportional to 22,690.09, 34,035.17 and 8,839.09 is: 13,258.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,690.09 : 34,035.17 = 8,839.09 : x
  2. Step 2: Convert to fraction form
    22,690.09/34,035.17 = 8,839.09/x
  3. Step 3: Cross multiply
    22,690.09x = 34,035.17 × 8,839.09
  4. Step 4: Simplify right side
    22,690.09x = 300,839,930.80
  5. Step 5: Solve for x
    x = 300,839,930.80/22,690.09
  6. Step 6: Final answer
    x = 13,258.65

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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.