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Finding the Fourth Proportional to 6,793.85, 9,379.04 and 5,278.03

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Solution

The fourth proportional to 6,793.85, 9,379.04 and 5,278.03 is: 7,286.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,793.85 : 9,379.04 = 5,278.03 : x
  2. Step 2: Convert to fraction form
    6,793.85/9,379.04 = 5,278.03/x
  3. Step 3: Cross multiply
    6,793.85x = 9,379.04 × 5,278.03
  4. Step 4: Simplify right side
    6,793.85x = 49,502,804.65
  5. Step 5: Solve for x
    x = 49,502,804.65/6,793.85
  6. Step 6: Final answer
    x = 7,286.41

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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.