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Finding the Fourth Proportional to 1,797.68, 2,695.48 and 823.26

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Solution

The fourth proportional to 1,797.68, 2,695.48 and 823.26 is: 1,234.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797.68 : 2,695.48 = 823.26 : x
  2. Step 2: Convert to fraction form
    1,797.68/2,695.48 = 823.26/x
  3. Step 3: Cross multiply
    1,797.68x = 2,695.48 × 823.26
  4. Step 4: Simplify right side
    1,797.68x = 2,219,080.86
  5. Step 5: Solve for x
    x = 2,219,080.86/1,797.68
  6. Step 6: Final answer
    x = 1,234.41

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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.