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Finding the Fourth Proportional to 23,314.62, 34,964.97 and 8,520.11

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Solution

The fourth proportional to 23,314.62, 34,964.97 and 8,520.11 is: 12,777.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,314.62 : 34,964.97 = 8,520.11 : x
  2. Step 2: Convert to fraction form
    23,314.62/34,964.97 = 8,520.11/x
  3. Step 3: Cross multiply
    23,314.62x = 34,964.97 × 8,520.11
  4. Step 4: Simplify right side
    23,314.62x = 297,905,390.55
  5. Step 5: Solve for x
    x = 297,905,390.55/23,314.62
  6. Step 6: Final answer
    x = 12,777.62

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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.