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Finding the Fourth Proportional to 6,190.75, 9,285.47 and 1,748.31

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Solution

The fourth proportional to 6,190.75, 9,285.47 and 1,748.31 is: 2,622.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,190.75 : 9,285.47 = 1,748.31 : x
  2. Step 2: Convert to fraction form
    6,190.75/9,285.47 = 1,748.31/x
  3. Step 3: Cross multiply
    6,190.75x = 9,285.47 × 1,748.31
  4. Step 4: Simplify right side
    6,190.75x = 16,233,843.05
  5. Step 5: Solve for x
    x = 16,233,843.05/6,190.75
  6. Step 6: Final answer
    x = 2,622.27

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Double scale
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Similar ratio
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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.