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Finding the Fourth Proportional to 7,961.55, 11,928.26 and 4,835.17

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Solution

The fourth proportional to 7,961.55, 11,928.26 and 4,835.17 is: 7,244.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.55 : 11,928.26 = 4,835.17 : x
  2. Step 2: Convert to fraction form
    7,961.55/11,928.26 = 4,835.17/x
  3. Step 3: Cross multiply
    7,961.55x = 11,928.26 × 4,835.17
  4. Step 4: Simplify right side
    7,961.55x = 57,675,140.73
  5. Step 5: Solve for x
    x = 57,675,140.73/7,961.55
  6. Step 6: Final answer
    x = 7,244.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.