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Finding the Fourth Proportional to 13,495.89, 18,623.91 and 7,363.37

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Solution

The fourth proportional to 13,495.89, 18,623.91 and 7,363.37 is: 10,161.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495.89 : 18,623.91 = 7,363.37 : x
  2. Step 2: Convert to fraction form
    13,495.89/18,623.91 = 7,363.37/x
  3. Step 3: Cross multiply
    13,495.89x = 18,623.91 × 7,363.37
  4. Step 4: Simplify right side
    13,495.89x = 137,134,647.06
  5. Step 5: Solve for x
    x = 137,134,647.06/13,495.89
  6. Step 6: Final answer
    x = 10,161.22

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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.