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Finding the Fourth Proportional to 11,992.98, 16,552.46 and 7,520.60

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Solution

The fourth proportional to 11,992.98, 16,552.46 and 7,520.60 is: 10,379.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.98 : 16,552.46 = 7,520.60 : x
  2. Step 2: Convert to fraction form
    11,992.98/16,552.46 = 7,520.60/x
  3. Step 3: Cross multiply
    11,992.98x = 16,552.46 × 7,520.60
  4. Step 4: Simplify right side
    11,992.98x = 124,484,430.68
  5. Step 5: Solve for x
    x = 124,484,430.68/11,992.98
  6. Step 6: Final answer
    x = 10,379.77

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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.