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Finding the Fourth Proportional to 22,900.60, 34,350 and 8,108.92

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Solution

The fourth proportional to 22,900.60, 34,350 and 8,108.92 is: 12,163.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,900.60 : 34,350 = 8,108.92 : x
  2. Step 2: Convert to fraction form
    22,900.60/34,350 = 8,108.92/x
  3. Step 3: Cross multiply
    22,900.60x = 34,350 × 8,108.92
  4. Step 4: Simplify right side
    22,900.60x = 278,541,402
  5. Step 5: Solve for x
    x = 278,541,402/22,900.60
  6. Step 6: Final answer
    x = 12,163.06

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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.