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Finding the Fourth Proportional to 2,237.91, 3,355.99 and 850.51

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Solution

The fourth proportional to 2,237.91, 3,355.99 and 850.51 is: 1,275.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.91 : 3,355.99 = 850.51 : x
  2. Step 2: Convert to fraction form
    2,237.91/3,355.99 = 850.51/x
  3. Step 3: Cross multiply
    2,237.91x = 3,355.99 × 850.51
  4. Step 4: Simplify right side
    2,237.91x = 2,854,303.05
  5. Step 5: Solve for x
    x = 2,854,303.05/2,237.91
  6. Step 6: Final answer
    x = 1,275.43

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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.