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Finding the Fourth Proportional to 22,956.89, 34,440.80 and 8,167.10

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Solution

The fourth proportional to 22,956.89, 34,440.80 and 8,167.10 is: 12,252.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,956.89 : 34,440.80 = 8,167.10 : x
  2. Step 2: Convert to fraction form
    22,956.89/34,440.80 = 8,167.10/x
  3. Step 3: Cross multiply
    22,956.89x = 34,440.80 × 8,167.10
  4. Step 4: Simplify right side
    22,956.89x = 281,281,244.64
  5. Step 5: Solve for x
    x = 281,281,244.64/22,956.89
  6. Step 6: Final answer
    x = 12,252.59

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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.