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Finding the Fourth Proportional to 18,191.09, 25,097.51 and 11,023.22

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Solution

The fourth proportional to 18,191.09, 25,097.51 and 11,023.22 is: 15,208.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191.09 : 25,097.51 = 11,023.22 : x
  2. Step 2: Convert to fraction form
    18,191.09/25,097.51 = 11,023.22/x
  3. Step 3: Cross multiply
    18,191.09x = 25,097.51 × 11,023.22
  4. Step 4: Simplify right side
    18,191.09x = 276,655,193.58
  5. Step 5: Solve for x
    x = 276,655,193.58/18,191.09
  6. Step 6: Final answer
    x = 15,208.28

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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.