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Finding the Fourth Proportional to 41,107.56, 61,661.36 and 9,942.80

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Solution

The fourth proportional to 41,107.56, 61,661.36 and 9,942.80 is: 14,914.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,107.56 : 61,661.36 = 9,942.80 : x
  2. Step 2: Convert to fraction form
    41,107.56/61,661.36 = 9,942.80/x
  3. Step 3: Cross multiply
    41,107.56x = 61,661.36 × 9,942.80
  4. Step 4: Simplify right side
    41,107.56x = 613,086,570.21
  5. Step 5: Solve for x
    x = 613,086,570.21/41,107.56
  6. Step 6: Final answer
    x = 14,914.20

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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.