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Finding the Fourth Proportional to 1,796.70, 2,694.09 and 563.79

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Solution

The fourth proportional to 1,796.70, 2,694.09 and 563.79 is: 845.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796.70 : 2,694.09 = 563.79 : x
  2. Step 2: Convert to fraction form
    1,796.70/2,694.09 = 563.79/x
  3. Step 3: Cross multiply
    1,796.70x = 2,694.09 × 563.79
  4. Step 4: Simplify right side
    1,796.70x = 1,518,901.00
  5. Step 5: Solve for x
    x = 1,518,901.00/1,796.70
  6. Step 6: Final answer
    x = 845.38

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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.