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Finding the Fourth Proportional to 1,797.15, 2,694.40 and 563.86

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Solution

The fourth proportional to 1,797.15, 2,694.40 and 563.86 is: 845.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797.15 : 2,694.40 = 563.86 : x
  2. Step 2: Convert to fraction form
    1,797.15/2,694.40 = 563.86/x
  3. Step 3: Cross multiply
    1,797.15x = 2,694.40 × 563.86
  4. Step 4: Simplify right side
    1,797.15x = 1,519,266.34
  5. Step 5: Solve for x
    x = 1,519,266.34/1,797.15
  6. Step 6: Final answer
    x = 845.37

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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.