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Finding the Fourth Proportional to 11,411.83, 17,119.64 and 3,622.51

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Solution

The fourth proportional to 11,411.83, 17,119.64 and 3,622.51 is: 5,434.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,411.83 : 17,119.64 = 3,622.51 : x
  2. Step 2: Convert to fraction form
    11,411.83/17,119.64 = 3,622.51/x
  3. Step 3: Cross multiply
    11,411.83x = 17,119.64 × 3,622.51
  4. Step 4: Simplify right side
    11,411.83x = 62,016,067.10
  5. Step 5: Solve for x
    x = 62,016,067.10/11,411.83
  6. Step 6: Final answer
    x = 5,434.37

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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.