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Finding the Fourth Proportional to 22,093.91, 30,489.23 and 12,022.09

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Solution

The fourth proportional to 22,093.91, 30,489.23 and 12,022.09 is: 16,590.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,093.91 : 30,489.23 = 12,022.09 : x
  2. Step 2: Convert to fraction form
    22,093.91/30,489.23 = 12,022.09/x
  3. Step 3: Cross multiply
    22,093.91x = 30,489.23 × 12,022.09
  4. Step 4: Simplify right side
    22,093.91x = 366,544,054.53
  5. Step 5: Solve for x
    x = 366,544,054.53/22,093.91
  6. Step 6: Final answer
    x = 16,590.28

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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.