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Finding the Fourth Proportional to 22,781.68, 34,168.92 and 7,195.84

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Solution

The fourth proportional to 22,781.68, 34,168.92 and 7,195.84 is: 10,792.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,781.68 : 34,168.92 = 7,195.84 : x
  2. Step 2: Convert to fraction form
    22,781.68/34,168.92 = 7,195.84/x
  3. Step 3: Cross multiply
    22,781.68x = 34,168.92 × 7,195.84
  4. Step 4: Simplify right side
    22,781.68x = 245,874,081.29
  5. Step 5: Solve for x
    x = 245,874,081.29/22,781.68
  6. Step 6: Final answer
    x = 10,792.62

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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.