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Finding the Fourth Proportional to 34,874.59, 52,311.41 and 8,579.56

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Solution

The fourth proportional to 34,874.59, 52,311.41 and 8,579.56 is: 12,869.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,874.59 : 52,311.41 = 8,579.56 : x
  2. Step 2: Convert to fraction form
    34,874.59/52,311.41 = 8,579.56/x
  3. Step 3: Cross multiply
    34,874.59x = 52,311.41 × 8,579.56
  4. Step 4: Simplify right side
    34,874.59x = 448,808,880.78
  5. Step 5: Solve for x
    x = 448,808,880.78/34,874.59
  6. Step 6: Final answer
    x = 12,869.22

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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.