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Finding the Fourth Proportional to 17,097.11, 25,643.10 and 5,408.81

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Solution

The fourth proportional to 17,097.11, 25,643.10 and 5,408.81 is: 8,112.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,097.11 : 25,643.10 = 5,408.81 : x
  2. Step 2: Convert to fraction form
    17,097.11/25,643.10 = 5,408.81/x
  3. Step 3: Cross multiply
    17,097.11x = 25,643.10 × 5,408.81
  4. Step 4: Simplify right side
    17,097.11x = 138,698,719.82
  5. Step 5: Solve for x
    x = 138,698,719.82/17,097.11
  6. Step 6: Final answer
    x = 8,112.41

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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.