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Finding the Fourth Proportional to 13,294.92, 18,343.81 and 7,552.09

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Solution

The fourth proportional to 13,294.92, 18,343.81 and 7,552.09 is: 10,420.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.92 : 18,343.81 = 7,552.09 : x
  2. Step 2: Convert to fraction form
    13,294.92/18,343.81 = 7,552.09/x
  3. Step 3: Cross multiply
    13,294.92x = 18,343.81 × 7,552.09
  4. Step 4: Simplify right side
    13,294.92x = 138,534,104.06
  5. Step 5: Solve for x
    x = 138,534,104.06/13,294.92
  6. Step 6: Final answer
    x = 10,420.08

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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.