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Finding the Fourth Proportional to 13,014.52, 17,960.34 and 7,351.09

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Solution

The fourth proportional to 13,014.52, 17,960.34 and 7,351.09 is: 10,144.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,014.52 : 17,960.34 = 7,351.09 : x
  2. Step 2: Convert to fraction form
    13,014.52/17,960.34 = 7,351.09/x
  3. Step 3: Cross multiply
    13,014.52x = 17,960.34 × 7,351.09
  4. Step 4: Simplify right side
    13,014.52x = 132,028,075.77
  5. Step 5: Solve for x
    x = 132,028,075.77/13,014.52
  6. Step 6: Final answer
    x = 10,144.68

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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.