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Finding the Fourth Proportional to 6,476.44, 8,940.38 and 4,983.80

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Solution

The fourth proportional to 6,476.44, 8,940.38 and 4,983.80 is: 6,879.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,476.44 : 8,940.38 = 4,983.80 : x
  2. Step 2: Convert to fraction form
    6,476.44/8,940.38 = 4,983.80/x
  3. Step 3: Cross multiply
    6,476.44x = 8,940.38 × 4,983.80
  4. Step 4: Simplify right side
    6,476.44x = 44,557,065.84
  5. Step 5: Solve for x
    x = 44,557,065.84/6,476.44
  6. Step 6: Final answer
    x = 6,879.87

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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.