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Finding the Fourth Proportional to 6,739.74, 9,300.69 and 3,755.70

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Solution

The fourth proportional to 6,739.74, 9,300.69 and 3,755.70 is: 5,182.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739.74 : 9,300.69 = 3,755.70 : x
  2. Step 2: Convert to fraction form
    6,739.74/9,300.69 = 3,755.70/x
  3. Step 3: Cross multiply
    6,739.74x = 9,300.69 × 3,755.70
  4. Step 4: Simplify right side
    6,739.74x = 34,930,601.43
  5. Step 5: Solve for x
    x = 34,930,601.43/6,739.74
  6. Step 6: Final answer
    x = 5,182.78

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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.