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Finding the Fourth Proportional to 16,719, 23,072.22 and 9,267

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Solution

The fourth proportional to 16,719, 23,072.22 and 9,267 is: 12,788.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,719 : 23,072.22 = 9,267 : x
  2. Step 2: Convert to fraction form
    16,719/23,072.22 = 9,267/x
  3. Step 3: Cross multiply
    16,719x = 23,072.22 × 9,267
  4. Step 4: Simplify right side
    16,719x = 213,810,262.74
  5. Step 5: Solve for x
    x = 213,810,262.74/16,719
  6. Step 6: Final answer
    x = 12,788.46

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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.