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Finding the Fourth Proportional to 9,995.94, 13,791.11 and 6,015.60

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Solution

The fourth proportional to 9,995.94, 13,791.11 and 6,015.60 is: 8,299.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.94 : 13,791.11 = 6,015.60 : x
  2. Step 2: Convert to fraction form
    9,995.94/13,791.11 = 6,015.60/x
  3. Step 3: Cross multiply
    9,995.94x = 13,791.11 × 6,015.60
  4. Step 4: Simplify right side
    9,995.94x = 82,961,747.40
  5. Step 5: Solve for x
    x = 82,961,747.40/9,995.94
  6. Step 6: Final answer
    x = 8,299.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.