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Finding the Fourth Proportional to 6,761.10, 9,329.79 and 3,736.09

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Solution

The fourth proportional to 6,761.10, 9,329.79 and 3,736.09 is: 5,155.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761.10 : 9,329.79 = 3,736.09 : x
  2. Step 2: Convert to fraction form
    6,761.10/9,329.79 = 3,736.09/x
  3. Step 3: Cross multiply
    6,761.10x = 9,329.79 × 3,736.09
  4. Step 4: Simplify right side
    6,761.10x = 34,856,939.78
  5. Step 5: Solve for x
    x = 34,856,939.78/6,761.10
  6. Step 6: Final answer
    x = 5,155.51

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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.