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Finding the Fourth Proportional to 6,156.40, 8,493.42 and 3,794.44

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Solution

The fourth proportional to 6,156.40, 8,493.42 and 3,794.44 is: 5,234.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,156.40 : 8,493.42 = 3,794.44 : x
  2. Step 2: Convert to fraction form
    6,156.40/8,493.42 = 3,794.44/x
  3. Step 3: Cross multiply
    6,156.40x = 8,493.42 × 3,794.44
  4. Step 4: Simplify right side
    6,156.40x = 32,227,772.58
  5. Step 5: Solve for x
    x = 32,227,772.58/6,156.40
  6. Step 6: Final answer
    x = 5,234.84

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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.