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Finding the Fourth Proportional to 23,991.25, 35,991.13 and 11,533.85

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Solution

The fourth proportional to 23,991.25, 35,991.13 and 11,533.85 is: 17,302.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,991.25 : 35,991.13 = 11,533.85 : x
  2. Step 2: Convert to fraction form
    23,991.25/35,991.13 = 11,533.85/x
  3. Step 3: Cross multiply
    23,991.25x = 35,991.13 × 11,533.85
  4. Step 4: Simplify right side
    23,991.25x = 415,116,355.89
  5. Step 5: Solve for x
    x = 415,116,355.89/23,991.25
  6. Step 6: Final answer
    x = 17,302.82

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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.