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Finding the Fourth Proportional to 19,963.67, 27,557.75 and 12,004.36

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Solution

The fourth proportional to 19,963.67, 27,557.75 and 12,004.36 is: 16,570.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963.67 : 27,557.75 = 12,004.36 : x
  2. Step 2: Convert to fraction form
    19,963.67/27,557.75 = 12,004.36/x
  3. Step 3: Cross multiply
    19,963.67x = 27,557.75 × 12,004.36
  4. Step 4: Simplify right side
    19,963.67x = 330,813,022.87
  5. Step 5: Solve for x
    x = 330,813,022.87/19,963.67
  6. Step 6: Final answer
    x = 16,570.75

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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.