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Finding the Fourth Proportional to 7,447.87, 11,166.50 and 3,496.92

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Solution

The fourth proportional to 7,447.87, 11,166.50 and 3,496.92 is: 5,242.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.87 : 11,166.50 = 3,496.92 : x
  2. Step 2: Convert to fraction form
    7,447.87/11,166.50 = 3,496.92/x
  3. Step 3: Cross multiply
    7,447.87x = 11,166.50 × 3,496.92
  4. Step 4: Simplify right side
    7,447.87x = 39,048,362.27
  5. Step 5: Solve for x
    x = 39,048,362.27/7,447.87
  6. Step 6: Final answer
    x = 5,242.89

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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.