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Finding the Fourth Proportional to 7,361.10, 11,039.30 and 2,429.82

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Solution

The fourth proportional to 7,361.10, 11,039.30 and 2,429.82 is: 3,643.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.10 : 11,039.30 = 2,429.82 : x
  2. Step 2: Convert to fraction form
    7,361.10/11,039.30 = 2,429.82/x
  3. Step 3: Cross multiply
    7,361.10x = 11,039.30 × 2,429.82
  4. Step 4: Simplify right side
    7,361.10x = 26,823,511.93
  5. Step 5: Solve for x
    x = 26,823,511.93/7,361.10
  6. Step 6: Final answer
    x = 3,643.95

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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.