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Finding the Fourth Proportional to 6,781.03, 9,356.73 and 3,796.99

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Solution

The fourth proportional to 6,781.03, 9,356.73 and 3,796.99 is: 5,239.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.03 : 9,356.73 = 3,796.99 : x
  2. Step 2: Convert to fraction form
    6,781.03/9,356.73 = 3,796.99/x
  3. Step 3: Cross multiply
    6,781.03x = 9,356.73 × 3,796.99
  4. Step 4: Simplify right side
    6,781.03x = 35,527,410.24
  5. Step 5: Solve for x
    x = 35,527,410.24/6,781.03
  6. Step 6: Final answer
    x = 5,239.24

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1.5x scale

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.