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Finding the Fourth Proportional to 11,840.52, 17,751.38 and 5,914.34

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Solution

The fourth proportional to 11,840.52, 17,751.38 and 5,914.34 is: 8,866.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,840.52 : 17,751.38 = 5,914.34 : x
  2. Step 2: Convert to fraction form
    11,840.52/17,751.38 = 5,914.34/x
  3. Step 3: Cross multiply
    11,840.52x = 17,751.38 × 5,914.34
  4. Step 4: Simplify right side
    11,840.52x = 104,987,696.79
  5. Step 5: Solve for x
    x = 104,987,696.79/11,840.52
  6. Step 6: Final answer
    x = 8,866.81

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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.