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Finding the Fourth Proportional to 6,379.24, 9,568.86 and 1,936.94

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Solution

The fourth proportional to 6,379.24, 9,568.86 and 1,936.94 is: 2,905.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.24 : 9,568.86 = 1,936.94 : x
  2. Step 2: Convert to fraction form
    6,379.24/9,568.86 = 1,936.94/x
  3. Step 3: Cross multiply
    6,379.24x = 9,568.86 × 1,936.94
  4. Step 4: Simplify right side
    6,379.24x = 18,534,307.69
  5. Step 5: Solve for x
    x = 18,534,307.69/6,379.24
  6. Step 6: Final answer
    x = 2,905.41

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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.