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Finding the Fourth Proportional to 4,622.96, 6,940.44 and 2,975.12

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Solution

The fourth proportional to 4,622.96, 6,940.44 and 2,975.12 is: 4,466.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.96 : 6,940.44 = 2,975.12 : x
  2. Step 2: Convert to fraction form
    4,622.96/6,940.44 = 2,975.12/x
  3. Step 3: Cross multiply
    4,622.96x = 6,940.44 × 2,975.12
  4. Step 4: Simplify right side
    4,622.96x = 20,648,641.85
  5. Step 5: Solve for x
    x = 20,648,641.85/4,622.96
  6. Step 6: Final answer
    x = 4,466.54

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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.