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Finding the Fourth Proportional to 16,922.88, 23,351.04 and 9,469.44

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Solution

The fourth proportional to 16,922.88, 23,351.04 and 9,469.44 is: 13,066.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,922.88 : 23,351.04 = 9,469.44 : x
  2. Step 2: Convert to fraction form
    16,922.88/23,351.04 = 9,469.44/x
  3. Step 3: Cross multiply
    16,922.88x = 23,351.04 × 9,469.44
  4. Step 4: Simplify right side
    16,922.88x = 221,121,272.22
  5. Step 5: Solve for x
    x = 221,121,272.22/16,922.88
  6. Step 6: Final answer
    x = 13,066.41

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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.