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Finding the Fourth Proportional to 22,919.62, 34,372.24 and 8,878.68

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Solution

The fourth proportional to 22,919.62, 34,372.24 and 8,878.68 is: 13,315.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,919.62 : 34,372.24 = 8,878.68 : x
  2. Step 2: Convert to fraction form
    22,919.62/34,372.24 = 8,878.68/x
  3. Step 3: Cross multiply
    22,919.62x = 34,372.24 × 8,878.68
  4. Step 4: Simplify right side
    22,919.62x = 305,180,119.84
  5. Step 5: Solve for x
    x = 305,180,119.84/22,919.62
  6. Step 6: Final answer
    x = 13,315.23

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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.