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Finding the Fourth Proportional to 22,577.91, 33,874.55 and 8,541.97

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Solution

The fourth proportional to 22,577.91, 33,874.55 and 8,541.97 is: 12,815.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,577.91 : 33,874.55 = 8,541.97 : x
  2. Step 2: Convert to fraction form
    22,577.91/33,874.55 = 8,541.97/x
  3. Step 3: Cross multiply
    22,577.91x = 33,874.55 × 8,541.97
  4. Step 4: Simplify right side
    22,577.91x = 289,355,389.86
  5. Step 5: Solve for x
    x = 289,355,389.86/22,577.91
  6. Step 6: Final answer
    x = 12,815.86

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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.