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Finding the Fourth Proportional to 5,738.32, 8,608.86 and 1,789.48

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Solution

The fourth proportional to 5,738.32, 8,608.86 and 1,789.48 is: 2,684.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,738.32 : 8,608.86 = 1,789.48 : x
  2. Step 2: Convert to fraction form
    5,738.32/8,608.86 = 1,789.48/x
  3. Step 3: Cross multiply
    5,738.32x = 8,608.86 × 1,789.48
  4. Step 4: Simplify right side
    5,738.32x = 15,405,382.79
  5. Step 5: Solve for x
    x = 15,405,382.79/5,738.32
  6. Step 6: Final answer
    x = 2,684.65

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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.