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Finding the Fourth Proportional to 6,754.77, 9,321.12 and 4,236.75

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Solution

The fourth proportional to 6,754.77, 9,321.12 and 4,236.75 is: 5,846.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,754.77 : 9,321.12 = 4,236.75 : x
  2. Step 2: Convert to fraction form
    6,754.77/9,321.12 = 4,236.75/x
  3. Step 3: Cross multiply
    6,754.77x = 9,321.12 × 4,236.75
  4. Step 4: Simplify right side
    6,754.77x = 39,491,255.16
  5. Step 5: Solve for x
    x = 39,491,255.16/6,754.77
  6. Step 6: Final answer
    x = 5,846.42

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Half scale
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Double scale
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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.