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Finding the Fourth Proportional to 71,383.14, 107,033.22 and 27,013.32

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Solution

The fourth proportional to 71,383.14, 107,033.22 and 27,013.32 is: 40,504.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,383.14 : 107,033.22 = 27,013.32 : x
  2. Step 2: Convert to fraction form
    71,383.14/107,033.22 = 27,013.32/x
  3. Step 3: Cross multiply
    71,383.14x = 107,033.22 × 27,013.32
  4. Step 4: Simplify right side
    71,383.14x = 2,891,322,622.49
  5. Step 5: Solve for x
    x = 2,891,322,622.49/71,383.14
  6. Step 6: Final answer
    x = 40,504.28

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1.5x scale

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.