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Finding the Fourth Proportional to 15,893.66, 23,847.24 and 7,992.01

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Solution

The fourth proportional to 15,893.66, 23,847.24 and 7,992.01 is: 11,991.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,893.66 : 23,847.24 = 7,992.01 : x
  2. Step 2: Convert to fraction form
    15,893.66/23,847.24 = 7,992.01/x
  3. Step 3: Cross multiply
    15,893.66x = 23,847.24 × 7,992.01
  4. Step 4: Simplify right side
    15,893.66x = 190,587,380.55
  5. Step 5: Solve for x
    x = 190,587,380.55/15,893.66
  6. Step 6: Final answer
    x = 11,991.41

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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.