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Finding the Fourth Proportional to 16,691, 23,027.22 and 11,028.44

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Solution

The fourth proportional to 16,691, 23,027.22 and 11,028.44 is: 15,215.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,691 : 23,027.22 = 11,028.44 : x
  2. Step 2: Convert to fraction form
    16,691/23,027.22 = 11,028.44/x
  3. Step 3: Cross multiply
    16,691x = 23,027.22 × 11,028.44
  4. Step 4: Simplify right side
    16,691x = 253,954,314.14
  5. Step 5: Solve for x
    x = 253,954,314.14/16,691
  6. Step 6: Final answer
    x = 15,215.04

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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.