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Finding the Fourth Proportional to 3,361.94, 5,041.16 and 1,511.46

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Solution

The fourth proportional to 3,361.94, 5,041.16 and 1,511.46 is: 2,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.94 : 5,041.16 = 1,511.46 : x
  2. Step 2: Convert to fraction form
    3,361.94/5,041.16 = 1,511.46/x
  3. Step 3: Cross multiply
    3,361.94x = 5,041.16 × 1,511.46
  4. Step 4: Simplify right side
    3,361.94x = 7,619,504.14
  5. Step 5: Solve for x
    x = 7,619,504.14/3,361.94
  6. Step 6: Final answer
    x = 2,266.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.