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Finding the Fourth Proportional to 13,033.36, 17,985.82 and 7,367.89

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Solution

The fourth proportional to 13,033.36, 17,985.82 and 7,367.89 is: 10,167.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,033.36 : 17,985.82 = 7,367.89 : x
  2. Step 2: Convert to fraction form
    13,033.36/17,985.82 = 7,367.89/x
  3. Step 3: Cross multiply
    13,033.36x = 17,985.82 × 7,367.89
  4. Step 4: Simplify right side
    13,033.36x = 132,517,629.85
  5. Step 5: Solve for x
    x = 132,517,629.85/13,033.36
  6. Step 6: Final answer
    x = 10,167.58

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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.