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Finding the Fourth Proportional to 1,900.80, 2,624.91 and 1,797.26

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Solution

The fourth proportional to 1,900.80, 2,624.91 and 1,797.26 is: 2,481.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900.80 : 2,624.91 = 1,797.26 : x
  2. Step 2: Convert to fraction form
    1,900.80/2,624.91 = 1,797.26/x
  3. Step 3: Cross multiply
    1,900.80x = 2,624.91 × 1,797.26
  4. Step 4: Simplify right side
    1,900.80x = 4,717,645.75
  5. Step 5: Solve for x
    x = 4,717,645.75/1,900.80
  6. Step 6: Final answer
    x = 2,481.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.