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Finding the Fourth Proportional to 13,233.51, 19,850.13 and 3,999.51

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Solution

The fourth proportional to 13,233.51, 19,850.13 and 3,999.51 is: 5,999.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,233.51 : 19,850.13 = 3,999.51 : x
  2. Step 2: Convert to fraction form
    13,233.51/19,850.13 = 3,999.51/x
  3. Step 3: Cross multiply
    13,233.51x = 19,850.13 × 3,999.51
  4. Step 4: Simplify right side
    13,233.51x = 79,390,793.44
  5. Step 5: Solve for x
    x = 79,390,793.44/13,233.51
  6. Step 6: Final answer
    x = 5,999.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.