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Finding the Fourth Proportional to 2,940.66, 4,411.53 and 1,093.05

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Solution

The fourth proportional to 2,940.66, 4,411.53 and 1,093.05 is: 1,639.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.66 : 4,411.53 = 1,093.05 : x
  2. Step 2: Convert to fraction form
    2,940.66/4,411.53 = 1,093.05/x
  3. Step 3: Cross multiply
    2,940.66x = 4,411.53 × 1,093.05
  4. Step 4: Simplify right side
    2,940.66x = 4,822,022.87
  5. Step 5: Solve for x
    x = 4,822,022.87/2,940.66
  6. Step 6: Final answer
    x = 1,639.78

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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.