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Finding the Fourth Proportional to 14,076.73, 19,426.32 and 7,789.09

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Solution

The fourth proportional to 14,076.73, 19,426.32 and 7,789.09 is: 10,749.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,076.73 : 19,426.32 = 7,789.09 : x
  2. Step 2: Convert to fraction form
    14,076.73/19,426.32 = 7,789.09/x
  3. Step 3: Cross multiply
    14,076.73x = 19,426.32 × 7,789.09
  4. Step 4: Simplify right side
    14,076.73x = 151,313,354.85
  5. Step 5: Solve for x
    x = 151,313,354.85/14,076.73
  6. Step 6: Final answer
    x = 10,749.18

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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.