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Finding the Fourth Proportional to 6,975.92, 9,627.36 and 3,832.68

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Solution

The fourth proportional to 6,975.92, 9,627.36 and 3,832.68 is: 5,289.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,975.92 : 9,627.36 = 3,832.68 : x
  2. Step 2: Convert to fraction form
    6,975.92/9,627.36 = 3,832.68/x
  3. Step 3: Cross multiply
    6,975.92x = 9,627.36 × 3,832.68
  4. Step 4: Simplify right side
    6,975.92x = 36,898,590.12
  5. Step 5: Solve for x
    x = 36,898,590.12/6,975.92
  6. Step 6: Final answer
    x = 5,289.42

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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.