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Finding the Fourth Proportional to 6,793.89, 9,378.23 and 6,606.65

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Solution

The fourth proportional to 6,793.89, 9,378.23 and 6,606.65 is: 9,119.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,793.89 : 9,378.23 = 6,606.65 : x
  2. Step 2: Convert to fraction form
    6,793.89/9,378.23 = 6,606.65/x
  3. Step 3: Cross multiply
    6,793.89x = 9,378.23 × 6,606.65
  4. Step 4: Simplify right side
    6,793.89x = 61,958,603.31
  5. Step 5: Solve for x
    x = 61,958,603.31/6,793.89
  6. Step 6: Final answer
    x = 9,119.75

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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.