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Finding the Fourth Proportional to 6,896.88, 10,340.87 and 2,950.71

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Solution

The fourth proportional to 6,896.88, 10,340.87 and 2,950.71 is: 4,424.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,896.88 : 10,340.87 = 2,950.71 : x
  2. Step 2: Convert to fraction form
    6,896.88/10,340.87 = 2,950.71/x
  3. Step 3: Cross multiply
    6,896.88x = 10,340.87 × 2,950.71
  4. Step 4: Simplify right side
    6,896.88x = 30,512,930.68
  5. Step 5: Solve for x
    x = 30,512,930.68/6,896.88
  6. Step 6: Final answer
    x = 4,424.16

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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.