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Finding the Fourth Proportional to 6,336.93, 8,698.20 and 5,612.97

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Solution

The fourth proportional to 6,336.93, 8,698.20 and 5,612.97 is: 7,704.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,336.93 : 8,698.20 = 5,612.97 : x
  2. Step 2: Convert to fraction form
    6,336.93/8,698.20 = 5,612.97/x
  3. Step 3: Cross multiply
    6,336.93x = 8,698.20 × 5,612.97
  4. Step 4: Simplify right side
    6,336.93x = 48,822,735.65
  5. Step 5: Solve for x
    x = 48,822,735.65/6,336.93
  6. Step 6: Final answer
    x = 7,704.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.