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Finding the Fourth Proportional to 16,309.78, 24,464.67 and 6,453.70

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Solution

The fourth proportional to 16,309.78, 24,464.67 and 6,453.70 is: 9,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,309.78 : 24,464.67 = 6,453.70 : x
  2. Step 2: Convert to fraction form
    16,309.78/24,464.67 = 6,453.70/x
  3. Step 3: Cross multiply
    16,309.78x = 24,464.67 × 6,453.70
  4. Step 4: Simplify right side
    16,309.78x = 157,887,640.78
  5. Step 5: Solve for x
    x = 157,887,640.78/16,309.78
  6. Step 6: Final answer
    x = 9,680.55

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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.