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Finding the Fourth Proportional to 6,361.94, 8,781.28 and 4,473.97

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Solution

The fourth proportional to 6,361.94, 8,781.28 and 4,473.97 is: 6,175.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361.94 : 8,781.28 = 4,473.97 : x
  2. Step 2: Convert to fraction form
    6,361.94/8,781.28 = 4,473.97/x
  3. Step 3: Cross multiply
    6,361.94x = 8,781.28 × 4,473.97
  4. Step 4: Simplify right side
    6,361.94x = 39,287,150.14
  5. Step 5: Solve for x
    x = 39,287,150.14/6,361.94
  6. Step 6: Final answer
    x = 6,175.34

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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.