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Finding the Fourth Proportional to 11,656.36, 16,085.82 and 6,351.13

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Solution

The fourth proportional to 11,656.36, 16,085.82 and 6,351.13 is: 8,764.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,656.36 : 16,085.82 = 6,351.13 : x
  2. Step 2: Convert to fraction form
    11,656.36/16,085.82 = 6,351.13/x
  3. Step 3: Cross multiply
    11,656.36x = 16,085.82 × 6,351.13
  4. Step 4: Simplify right side
    11,656.36x = 102,163,133.98
  5. Step 5: Solve for x
    x = 102,163,133.98/11,656.36
  6. Step 6: Final answer
    x = 8,764.58

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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.