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Finding the Fourth Proportional to 3,796.98, 5,694.81 and 1,716.50

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Solution

The fourth proportional to 3,796.98, 5,694.81 and 1,716.50 is: 2,574.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,796.98 : 5,694.81 = 1,716.50 : x
  2. Step 2: Convert to fraction form
    3,796.98/5,694.81 = 1,716.50/x
  3. Step 3: Cross multiply
    3,796.98x = 5,694.81 × 1,716.50
  4. Step 4: Simplify right side
    3,796.98x = 9,775,113.48
  5. Step 5: Solve for x
    x = 9,775,113.48/3,796.98
  6. Step 6: Final answer
    x = 2,574.45

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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.