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Finding the Fourth Proportional to 3,293.95, 4,940.94 and 2,674.72

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Solution

The fourth proportional to 3,293.95, 4,940.94 and 2,674.72 is: 4,012.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,293.95 : 4,940.94 = 2,674.72 : x
  2. Step 2: Convert to fraction form
    3,293.95/4,940.94 = 2,674.72/x
  3. Step 3: Cross multiply
    3,293.95x = 4,940.94 × 2,674.72
  4. Step 4: Simplify right side
    3,293.95x = 13,215,631.04
  5. Step 5: Solve for x
    x = 13,215,631.04/3,293.95
  6. Step 6: Final answer
    x = 4,012.09

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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.