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Finding the Fourth Proportional to 6,936.56, 9,570.11 and 3,950.28

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Solution

The fourth proportional to 6,936.56, 9,570.11 and 3,950.28 is: 5,450.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.56 : 9,570.11 = 3,950.28 : x
  2. Step 2: Convert to fraction form
    6,936.56/9,570.11 = 3,950.28/x
  3. Step 3: Cross multiply
    6,936.56x = 9,570.11 × 3,950.28
  4. Step 4: Simplify right side
    6,936.56x = 37,804,594.38
  5. Step 5: Solve for x
    x = 37,804,594.38/6,936.56
  6. Step 6: Final answer
    x = 5,450.05

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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.