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Finding the Fourth Proportional to 11,415.60, 17,112.47 and 4,832.73

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Solution

The fourth proportional to 11,415.60, 17,112.47 and 4,832.73 is: 7,244.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,415.60 : 17,112.47 = 4,832.73 : x
  2. Step 2: Convert to fraction form
    11,415.60/17,112.47 = 4,832.73/x
  3. Step 3: Cross multiply
    11,415.60x = 17,112.47 × 4,832.73
  4. Step 4: Simplify right side
    11,415.60x = 82,699,922.98
  5. Step 5: Solve for x
    x = 82,699,922.98/11,415.60
  6. Step 6: Final answer
    x = 7,244.47

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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.