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Finding the Fourth Proportional to 23,886.70, 35,820.83 and 7,872.39

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Solution

The fourth proportional to 23,886.70, 35,820.83 and 7,872.39 is: 11,805.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,886.70 : 35,820.83 = 7,872.39 : x
  2. Step 2: Convert to fraction form
    23,886.70/35,820.83 = 7,872.39/x
  3. Step 3: Cross multiply
    23,886.70x = 35,820.83 × 7,872.39
  4. Step 4: Simplify right side
    23,886.70x = 281,995,563.56
  5. Step 5: Solve for x
    x = 281,995,563.56/23,886.70
  6. Step 6: Final answer
    x = 11,805.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.