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Finding the Fourth Proportional to 14,047.49, 19,383.89 and 8,081.08

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Solution

The fourth proportional to 14,047.49, 19,383.89 and 8,081.08 is: 11,150.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.49 : 19,383.89 = 8,081.08 : x
  2. Step 2: Convert to fraction form
    14,047.49/19,383.89 = 8,081.08/x
  3. Step 3: Cross multiply
    14,047.49x = 19,383.89 × 8,081.08
  4. Step 4: Simplify right side
    14,047.49x = 156,642,737.54
  5. Step 5: Solve for x
    x = 156,642,737.54/14,047.49
  6. Step 6: Final answer
    x = 11,150.95

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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.