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Finding the Fourth Proportional to 12,399.44, 17,111.04 and 7,095.56

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Solution

The fourth proportional to 12,399.44, 17,111.04 and 7,095.56 is: 9,791.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,399.44 : 17,111.04 = 7,095.56 : x
  2. Step 2: Convert to fraction form
    12,399.44/17,111.04 = 7,095.56/x
  3. Step 3: Cross multiply
    12,399.44x = 17,111.04 × 7,095.56
  4. Step 4: Simplify right side
    12,399.44x = 121,412,410.98
  5. Step 5: Solve for x
    x = 121,412,410.98/12,399.44
  6. Step 6: Final answer
    x = 9,791.77

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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.