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Finding the Fourth Proportional to 14,469.67, 21,669.10 and 13,067.26

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Solution

The fourth proportional to 14,469.67, 21,669.10 and 13,067.26 is: 19,568.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,469.67 : 21,669.10 = 13,067.26 : x
  2. Step 2: Convert to fraction form
    14,469.67/21,669.10 = 13,067.26/x
  3. Step 3: Cross multiply
    14,469.67x = 21,669.10 × 13,067.26
  4. Step 4: Simplify right side
    14,469.67x = 283,155,763.67
  5. Step 5: Solve for x
    x = 283,155,763.67/14,469.67
  6. Step 6: Final answer
    x = 19,568.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.