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Finding the Fourth Proportional to 22,821.66, 34,236.81 and 8,028.90

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Solution

The fourth proportional to 22,821.66, 34,236.81 and 8,028.90 is: 12,044.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,821.66 : 34,236.81 = 8,028.90 : x
  2. Step 2: Convert to fraction form
    22,821.66/34,236.81 = 8,028.90/x
  3. Step 3: Cross multiply
    22,821.66x = 34,236.81 × 8,028.90
  4. Step 4: Simplify right side
    22,821.66x = 274,883,923.81
  5. Step 5: Solve for x
    x = 274,883,923.81/22,821.66
  6. Step 6: Final answer
    x = 12,044.87

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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.