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Finding the Fourth Proportional to 15,956.88, 23,936.22 and 4,863.96

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Solution

The fourth proportional to 15,956.88, 23,936.22 and 4,863.96 is: 7,296.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,956.88 : 23,936.22 = 4,863.96 : x
  2. Step 2: Convert to fraction form
    15,956.88/23,936.22 = 4,863.96/x
  3. Step 3: Cross multiply
    15,956.88x = 23,936.22 × 4,863.96
  4. Step 4: Simplify right side
    15,956.88x = 116,424,816.63
  5. Step 5: Solve for x
    x = 116,424,816.63/15,956.88
  6. Step 6: Final answer
    x = 7,296.21

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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.