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Finding the Fourth Proportional to 13,236.88, 19,851 and 5,841.04

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Solution

The fourth proportional to 13,236.88, 19,851 and 5,841.04 is: 8,759.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.88 : 19,851 = 5,841.04 : x
  2. Step 2: Convert to fraction form
    13,236.88/19,851 = 5,841.04/x
  3. Step 3: Cross multiply
    13,236.88x = 19,851 × 5,841.04
  4. Step 4: Simplify right side
    13,236.88x = 115,950,485.04
  5. Step 5: Solve for x
    x = 115,950,485.04/13,236.88
  6. Step 6: Final answer
    x = 8,759.65

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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.