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Finding the Fourth Proportional to 2,356.86, 3,535.30 and 796.88

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Solution

The fourth proportional to 2,356.86, 3,535.30 and 796.88 is: 1,195.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.86 : 3,535.30 = 796.88 : x
  2. Step 2: Convert to fraction form
    2,356.86/3,535.30 = 796.88/x
  3. Step 3: Cross multiply
    2,356.86x = 3,535.30 × 796.88
  4. Step 4: Simplify right side
    2,356.86x = 2,817,201.03
  5. Step 5: Solve for x
    x = 2,817,201.03/2,356.86
  6. Step 6: Final answer
    x = 1,195.32

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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.