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Finding the Fourth Proportional to 6,793.79, 10,182.42 and 4,940.28

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Solution

The fourth proportional to 6,793.79, 10,182.42 and 4,940.28 is: 7,404.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,793.79 : 10,182.42 = 4,940.28 : x
  2. Step 2: Convert to fraction form
    6,793.79/10,182.42 = 4,940.28/x
  3. Step 3: Cross multiply
    6,793.79x = 10,182.42 × 4,940.28
  4. Step 4: Simplify right side
    6,793.79x = 50,304,005.88
  5. Step 5: Solve for x
    x = 50,304,005.88/6,793.79
  6. Step 6: Final answer
    x = 7,404.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.