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Finding the Fourth Proportional to 6,349.05, 8,761.41 and 3,696.30

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Solution

The fourth proportional to 6,349.05, 8,761.41 and 3,696.30 is: 5,100.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,349.05 : 8,761.41 = 3,696.30 : x
  2. Step 2: Convert to fraction form
    6,349.05/8,761.41 = 3,696.30/x
  3. Step 3: Cross multiply
    6,349.05x = 8,761.41 × 3,696.30
  4. Step 4: Simplify right side
    6,349.05x = 32,384,799.78
  5. Step 5: Solve for x
    x = 32,384,799.78/6,349.05
  6. Step 6: Final answer
    x = 5,100.73

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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.