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Finding the Fourth Proportional to 1,850.52, 2,786.87 and 1,559.83

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Solution

The fourth proportional to 1,850.52, 2,786.87 and 1,559.83 is: 2,349.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.52 : 2,786.87 = 1,559.83 : x
  2. Step 2: Convert to fraction form
    1,850.52/2,786.87 = 1,559.83/x
  3. Step 3: Cross multiply
    1,850.52x = 2,786.87 × 1,559.83
  4. Step 4: Simplify right side
    1,850.52x = 4,347,043.43
  5. Step 5: Solve for x
    x = 4,347,043.43/1,850.52
  6. Step 6: Final answer
    x = 2,349.09

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.