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Finding the Fourth Proportional to 11,993.37, 16,550.51 and 7,519.59

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Solution

The fourth proportional to 11,993.37, 16,550.51 and 7,519.59 is: 10,376.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,993.37 : 16,550.51 = 7,519.59 : x
  2. Step 2: Convert to fraction form
    11,993.37/16,550.51 = 7,519.59/x
  3. Step 3: Cross multiply
    11,993.37x = 16,550.51 × 7,519.59
  4. Step 4: Simplify right side
    11,993.37x = 124,453,011.89
  5. Step 5: Solve for x
    x = 124,453,011.89/11,993.37
  6. Step 6: Final answer
    x = 10,376.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.