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Finding the Fourth Proportional to 2,265.94, 3,399.21 and 967.71

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Solution

The fourth proportional to 2,265.94, 3,399.21 and 967.71 is: 1,451.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.94 : 3,399.21 = 967.71 : x
  2. Step 2: Convert to fraction form
    2,265.94/3,399.21 = 967.71/x
  3. Step 3: Cross multiply
    2,265.94x = 3,399.21 × 967.71
  4. Step 4: Simplify right side
    2,265.94x = 3,289,449.51
  5. Step 5: Solve for x
    x = 3,289,449.51/2,265.94
  6. Step 6: Final answer
    x = 1,451.69

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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.