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Finding the Fourth Proportional to 13,172.88, 19,833.96 and 11,623.08

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Solution

The fourth proportional to 13,172.88, 19,833.96 and 11,623.08 is: 17,500.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172.88 : 19,833.96 = 11,623.08 : x
  2. Step 2: Convert to fraction form
    13,172.88/19,833.96 = 11,623.08/x
  3. Step 3: Cross multiply
    13,172.88x = 19,833.96 × 11,623.08
  4. Step 4: Simplify right side
    13,172.88x = 230,531,703.80
  5. Step 5: Solve for x
    x = 230,531,703.80/13,172.88
  6. Step 6: Final answer
    x = 17,500.48

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.