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Finding the Fourth Proportional to 22,893.20, 34,329.07 and 8,859.86

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Solution

The fourth proportional to 22,893.20, 34,329.07 and 8,859.86 is: 13,285.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,893.20 : 34,329.07 = 8,859.86 : x
  2. Step 2: Convert to fraction form
    22,893.20/34,329.07 = 8,859.86/x
  3. Step 3: Cross multiply
    22,893.20x = 34,329.07 × 8,859.86
  4. Step 4: Simplify right side
    22,893.20x = 304,150,538.19
  5. Step 5: Solve for x
    x = 304,150,538.19/22,893.20
  6. Step 6: Final answer
    x = 13,285.63

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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.