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Finding the Fourth Proportional to 43,960.63, 65,940.84 and 10,680.70

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Solution

The fourth proportional to 43,960.63, 65,940.84 and 10,680.70 is: 16,021.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,960.63 : 65,940.84 = 10,680.70 : x
  2. Step 2: Convert to fraction form
    43,960.63/65,940.84 = 10,680.70/x
  3. Step 3: Cross multiply
    43,960.63x = 65,940.84 × 10,680.70
  4. Step 4: Simplify right side
    43,960.63x = 704,294,329.79
  5. Step 5: Solve for x
    x = 704,294,329.79/43,960.63
  6. Step 6: Final answer
    x = 16,021.02

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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.