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Finding the Fourth Proportional to 6,959, 9,608.46 and 4,479.32

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Solution

The fourth proportional to 6,959, 9,608.46 and 4,479.32 is: 6,184.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,959 : 9,608.46 = 4,479.32 : x
  2. Step 2: Convert to fraction form
    6,959/9,608.46 = 4,479.32/x
  3. Step 3: Cross multiply
    6,959x = 9,608.46 × 4,479.32
  4. Step 4: Simplify right side
    6,959x = 43,039,367.05
  5. Step 5: Solve for x
    x = 43,039,367.05/6,959
  6. Step 6: Final answer
    x = 6,184.71

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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.