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Finding the Fourth Proportional to 22,106.72, 30,507.92 and 12,035.82

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Solution

The fourth proportional to 22,106.72, 30,507.92 and 12,035.82 is: 16,609.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,106.72 : 30,507.92 = 12,035.82 : x
  2. Step 2: Convert to fraction form
    22,106.72/30,507.92 = 12,035.82/x
  3. Step 3: Cross multiply
    22,106.72x = 30,507.92 × 12,035.82
  4. Step 4: Simplify right side
    22,106.72x = 367,187,833.69
  5. Step 5: Solve for x
    x = 367,187,833.69/22,106.72
  6. Step 6: Final answer
    x = 16,609.78

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