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Finding the Fourth Proportional to 11,891.94, 17,832.29 and 4,393.04

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Solution

The fourth proportional to 11,891.94, 17,832.29 and 4,393.04 is: 6,587.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,891.94 : 17,832.29 = 4,393.04 : x
  2. Step 2: Convert to fraction form
    11,891.94/17,832.29 = 4,393.04/x
  3. Step 3: Cross multiply
    11,891.94x = 17,832.29 × 4,393.04
  4. Step 4: Simplify right side
    11,891.94x = 78,337,852.13
  5. Step 5: Solve for x
    x = 78,337,852.13/11,891.94
  6. Step 6: Final answer
    x = 6,587.47

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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.