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Finding the Fourth Proportional to 11,976.54, 16,539.03 and 11,322.06

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Solution

The fourth proportional to 11,976.54, 16,539.03 and 11,322.06 is: 15,635.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976.54 : 16,539.03 = 11,322.06 : x
  2. Step 2: Convert to fraction form
    11,976.54/16,539.03 = 11,322.06/x
  3. Step 3: Cross multiply
    11,976.54x = 16,539.03 × 11,322.06
  4. Step 4: Simplify right side
    11,976.54x = 187,255,890.00
  5. Step 5: Solve for x
    x = 187,255,890.00/11,976.54
  6. Step 6: Final answer
    x = 15,635.22

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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.