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Finding the Fourth Proportional to 16,891, 23,311.02 and 9,440.44

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Solution

The fourth proportional to 16,891, 23,311.02 and 9,440.44 is: 13,028.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,891 : 23,311.02 = 9,440.44 : x
  2. Step 2: Convert to fraction form
    16,891/23,311.02 = 9,440.44/x
  3. Step 3: Cross multiply
    16,891x = 23,311.02 × 9,440.44
  4. Step 4: Simplify right side
    16,891x = 220,066,285.65
  5. Step 5: Solve for x
    x = 220,066,285.65/16,891
  6. Step 6: Final answer
    x = 13,028.61

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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.