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Finding the Fourth Proportional to 11,731.05, 16,185.42 and 7,014.42

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Solution

The fourth proportional to 11,731.05, 16,185.42 and 7,014.42 is: 9,677.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.05 : 16,185.42 = 7,014.42 : x
  2. Step 2: Convert to fraction form
    11,731.05/16,185.42 = 7,014.42/x
  3. Step 3: Cross multiply
    11,731.05x = 16,185.42 × 7,014.42
  4. Step 4: Simplify right side
    11,731.05x = 113,531,333.76
  5. Step 5: Solve for x
    x = 113,531,333.76/11,731.05
  6. Step 6: Final answer
    x = 9,677.85

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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.