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Finding the Fourth Proportional to 16,782.87, 25,172.67 and 5,096.19

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Solution

The fourth proportional to 16,782.87, 25,172.67 and 5,096.19 is: 7,643.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782.87 : 25,172.67 = 5,096.19 : x
  2. Step 2: Convert to fraction form
    16,782.87/25,172.67 = 5,096.19/x
  3. Step 3: Cross multiply
    16,782.87x = 25,172.67 × 5,096.19
  4. Step 4: Simplify right side
    16,782.87x = 128,284,709.13
  5. Step 5: Solve for x
    x = 128,284,709.13/16,782.87
  6. Step 6: Final answer
    x = 7,643.79

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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.