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Finding the Fourth Proportional to 26,772, 36,945.36 and 14,996

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Solution

The fourth proportional to 26,772, 36,945.36 and 14,996 is: 20,694.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,772 : 36,945.36 = 14,996 : x
  2. Step 2: Convert to fraction form
    26,772/36,945.36 = 14,996/x
  3. Step 3: Cross multiply
    26,772x = 36,945.36 × 14,996
  4. Step 4: Simplify right side
    26,772x = 554,032,618.56
  5. Step 5: Solve for x
    x = 554,032,618.56/26,772
  6. Step 6: Final answer
    x = 20,694.48

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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.