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Finding the Fourth Proportional to 22,104, 30,503.58 and 12,168

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Solution

The fourth proportional to 22,104, 30,503.58 and 12,168 is: 16,791.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,104 : 30,503.58 = 12,168 : x
  2. Step 2: Convert to fraction form
    22,104/30,503.58 = 12,168/x
  3. Step 3: Cross multiply
    22,104x = 30,503.58 × 12,168
  4. Step 4: Simplify right side
    22,104x = 371,167,561.44
  5. Step 5: Solve for x
    x = 371,167,561.44/22,104
  6. Step 6: Final answer
    x = 16,791.87

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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.