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Finding the Fourth Proportional to 22,343.66, 30,834.37 and 12,134.73

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Solution

The fourth proportional to 22,343.66, 30,834.37 and 12,134.73 is: 16,745.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,343.66 : 30,834.37 = 12,134.73 : x
  2. Step 2: Convert to fraction form
    22,343.66/30,834.37 = 12,134.73/x
  3. Step 3: Cross multiply
    22,343.66x = 30,834.37 × 12,134.73
  4. Step 4: Simplify right side
    22,343.66x = 374,166,724.33
  5. Step 5: Solve for x
    x = 374,166,724.33/22,343.66
  6. Step 6: Final answer
    x = 16,745.99

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.