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Finding the Fourth Proportional to 13,791.75, 19,033.02 and 7,504.53

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Solution

The fourth proportional to 13,791.75, 19,033.02 and 7,504.53 is: 10,356.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791.75 : 19,033.02 = 7,504.53 : x
  2. Step 2: Convert to fraction form
    13,791.75/19,033.02 = 7,504.53/x
  3. Step 3: Cross multiply
    13,791.75x = 19,033.02 × 7,504.53
  4. Step 4: Simplify right side
    13,791.75x = 142,833,869.58
  5. Step 5: Solve for x
    x = 142,833,869.58/13,791.75
  6. Step 6: Final answer
    x = 10,356.47

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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.