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Finding the Fourth Proportional to 12,131.52, 16,741.92 and 7,094.96

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Solution

The fourth proportional to 12,131.52, 16,741.92 and 7,094.96 is: 9,791.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,131.52 : 16,741.92 = 7,094.96 : x
  2. Step 2: Convert to fraction form
    12,131.52/16,741.92 = 7,094.96/x
  3. Step 3: Cross multiply
    12,131.52x = 16,741.92 × 7,094.96
  4. Step 4: Simplify right side
    12,131.52x = 118,783,252.72
  5. Step 5: Solve for x
    x = 118,783,252.72/12,131.52
  6. Step 6: Final answer
    x = 9,791.29

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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.