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Finding the Fourth Proportional to 2,267.37, 3,399.65 and 950.78

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Solution

The fourth proportional to 2,267.37, 3,399.65 and 950.78 is: 1,425.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.37 : 3,399.65 = 950.78 : x
  2. Step 2: Convert to fraction form
    2,267.37/3,399.65 = 950.78/x
  3. Step 3: Cross multiply
    2,267.37x = 3,399.65 × 950.78
  4. Step 4: Simplify right side
    2,267.37x = 3,232,297.47
  5. Step 5: Solve for x
    x = 3,232,297.47/2,267.37
  6. Step 6: Final answer
    x = 1,425.57

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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.