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Finding the Fourth Proportional to 41,107.74, 61,661.64 and 9,942.99

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Solution

The fourth proportional to 41,107.74, 61,661.64 and 9,942.99 is: 14,914.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,107.74 : 61,661.64 = 9,942.99 : x
  2. Step 2: Convert to fraction form
    41,107.74/61,661.64 = 9,942.99/x
  3. Step 3: Cross multiply
    41,107.74x = 61,661.64 × 9,942.99
  4. Step 4: Simplify right side
    41,107.74x = 613,101,069.90
  5. Step 5: Solve for x
    x = 613,101,069.90/41,107.74
  6. Step 6: Final answer
    x = 14,914.49

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Similar ratio
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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.