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Finding the Fourth Proportional to 22,958.96, 34,455.04 and 8,168

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Solution

The fourth proportional to 22,958.96, 34,455.04 and 8,168 is: 12,257.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,958.96 : 34,455.04 = 8,168 : x
  2. Step 2: Convert to fraction form
    22,958.96/34,455.04 = 8,168/x
  3. Step 3: Cross multiply
    22,958.96x = 34,455.04 × 8,168
  4. Step 4: Simplify right side
    22,958.96x = 281,428,766.72
  5. Step 5: Solve for x
    x = 281,428,766.72/22,958.96
  6. Step 6: Final answer
    x = 12,257.91

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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.