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Finding the Fourth Proportional to 6,379.33, 9,567.90 and 1,761.25

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Solution

The fourth proportional to 6,379.33, 9,567.90 and 1,761.25 is: 2,641.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.33 : 9,567.90 = 1,761.25 : x
  2. Step 2: Convert to fraction form
    6,379.33/9,567.90 = 1,761.25/x
  3. Step 3: Cross multiply
    6,379.33x = 9,567.90 × 1,761.25
  4. Step 4: Simplify right side
    6,379.33x = 16,851,463.88
  5. Step 5: Solve for x
    x = 16,851,463.88/6,379.33
  6. Step 6: Final answer
    x = 2,641.57

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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.