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Finding the Fourth Proportional to 7,375.60, 10,179.72 and 4,233.84

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Solution

The fourth proportional to 7,375.60, 10,179.72 and 4,233.84 is: 5,843.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.60 : 10,179.72 = 4,233.84 : x
  2. Step 2: Convert to fraction form
    7,375.60/10,179.72 = 4,233.84/x
  3. Step 3: Cross multiply
    7,375.60x = 10,179.72 × 4,233.84
  4. Step 4: Simplify right side
    7,375.60x = 43,099,305.72
  5. Step 5: Solve for x
    x = 43,099,305.72/7,375.60
  6. Step 6: Final answer
    x = 5,843.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.