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Finding the Fourth Proportional to 22,662, 33,968.70 and 10,949.40

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Solution

The fourth proportional to 22,662, 33,968.70 and 10,949.40 is: 16,412.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,662 : 33,968.70 = 10,949.40 : x
  2. Step 2: Convert to fraction form
    22,662/33,968.70 = 10,949.40/x
  3. Step 3: Cross multiply
    22,662x = 33,968.70 × 10,949.40
  4. Step 4: Simplify right side
    22,662x = 371,936,883.78
  5. Step 5: Solve for x
    x = 371,936,883.78/22,662
  6. Step 6: Final answer
    x = 16,412.36

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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.