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Finding the Fourth Proportional to 7,893.60, 11,840.36 and 3,734.04

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Solution

The fourth proportional to 7,893.60, 11,840.36 and 3,734.04 is: 5,601.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893.60 : 11,840.36 = 3,734.04 : x
  2. Step 2: Convert to fraction form
    7,893.60/11,840.36 = 3,734.04/x
  3. Step 3: Cross multiply
    7,893.60x = 11,840.36 × 3,734.04
  4. Step 4: Simplify right side
    7,893.60x = 44,212,377.85
  5. Step 5: Solve for x
    x = 44,212,377.85/7,893.60
  6. Step 6: Final answer
    x = 5,601.04

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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.