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Finding the Fourth Proportional to 16,716.94, 25,077.83 and 8,921.50

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Solution

The fourth proportional to 16,716.94, 25,077.83 and 8,921.50 is: 13,383.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,716.94 : 25,077.83 = 8,921.50 : x
  2. Step 2: Convert to fraction form
    16,716.94/25,077.83 = 8,921.50/x
  3. Step 3: Cross multiply
    16,716.94x = 25,077.83 × 8,921.50
  4. Step 4: Simplify right side
    16,716.94x = 223,731,860.35
  5. Step 5: Solve for x
    x = 223,731,860.35/16,716.94
  6. Step 6: Final answer
    x = 13,383.54

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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.