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Finding the Fourth Proportional to 2,733.45, 4,074.23 and 2,643.45

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Solution

The fourth proportional to 2,733.45, 4,074.23 and 2,643.45 is: 3,940.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733.45 : 4,074.23 = 2,643.45 : x
  2. Step 2: Convert to fraction form
    2,733.45/4,074.23 = 2,643.45/x
  3. Step 3: Cross multiply
    2,733.45x = 4,074.23 × 2,643.45
  4. Step 4: Simplify right side
    2,733.45x = 10,770,023.29
  5. Step 5: Solve for x
    x = 10,770,023.29/2,733.45
  6. Step 6: Final answer
    x = 3,940.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.