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Finding the Fourth Proportional to 6,866.16, 10,296.77 and 2,917.68

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Solution

The fourth proportional to 6,866.16, 10,296.77 and 2,917.68 is: 4,375.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866.16 : 10,296.77 = 2,917.68 : x
  2. Step 2: Convert to fraction form
    6,866.16/10,296.77 = 2,917.68/x
  3. Step 3: Cross multiply
    6,866.16x = 10,296.77 × 2,917.68
  4. Step 4: Simplify right side
    6,866.16x = 30,042,665.31
  5. Step 5: Solve for x
    x = 30,042,665.31/6,866.16
  6. Step 6: Final answer
    x = 4,375.47

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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.