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Finding the Fourth Proportional to 16,686, 25,022.28 and 6,153.56

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Solution

The fourth proportional to 16,686, 25,022.28 and 6,153.56 is: 9,227.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,686 : 25,022.28 = 6,153.56 : x
  2. Step 2: Convert to fraction form
    16,686/25,022.28 = 6,153.56/x
  3. Step 3: Cross multiply
    16,686x = 25,022.28 × 6,153.56
  4. Step 4: Simplify right side
    16,686x = 153,976,101.32
  5. Step 5: Solve for x
    x = 153,976,101.32/16,686
  6. Step 6: Final answer
    x = 9,227.86

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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.