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Finding the Fourth Proportional to 6,797.48, 9,379.87 and 3,812.63

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Solution

The fourth proportional to 6,797.48, 9,379.87 and 3,812.63 is: 5,261.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,797.48 : 9,379.87 = 3,812.63 : x
  2. Step 2: Convert to fraction form
    6,797.48/9,379.87 = 3,812.63/x
  3. Step 3: Cross multiply
    6,797.48x = 9,379.87 × 3,812.63
  4. Step 4: Simplify right side
    6,797.48x = 35,761,917.33
  5. Step 5: Solve for x
    x = 35,761,917.33/6,797.48
  6. Step 6: Final answer
    x = 5,261.06

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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.