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Finding the Fourth Proportional to 34,874.13, 52,310.73 and 8,579.10

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Solution

The fourth proportional to 34,874.13, 52,310.73 and 8,579.10 is: 12,868.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,874.13 : 52,310.73 = 8,579.10 : x
  2. Step 2: Convert to fraction form
    34,874.13/52,310.73 = 8,579.10/x
  3. Step 3: Cross multiply
    34,874.13x = 52,310.73 × 8,579.10
  4. Step 4: Simplify right side
    34,874.13x = 448,778,983.74
  5. Step 5: Solve for x
    x = 448,778,983.74/34,874.13
  6. Step 6: Final answer
    x = 12,868.54

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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.