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Finding the Fourth Proportional to 6,975.86, 9,627.29 and 3,832.65

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Solution

The fourth proportional to 6,975.86, 9,627.29 and 3,832.65 is: 5,289.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,975.86 : 9,627.29 = 3,832.65 : x
  2. Step 2: Convert to fraction form
    6,975.86/9,627.29 = 3,832.65/x
  3. Step 3: Cross multiply
    6,975.86x = 9,627.29 × 3,832.65
  4. Step 4: Simplify right side
    6,975.86x = 36,898,033.02
  5. Step 5: Solve for x
    x = 36,898,033.02/6,975.86
  6. Step 6: Final answer
    x = 5,289.39

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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.