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Finding the Fourth Proportional to 6,761.88, 10,135.26 and 4,817.88

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Solution

The fourth proportional to 6,761.88, 10,135.26 and 4,817.88 is: 7,221.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761.88 : 10,135.26 = 4,817.88 : x
  2. Step 2: Convert to fraction form
    6,761.88/10,135.26 = 4,817.88/x
  3. Step 3: Cross multiply
    6,761.88x = 10,135.26 × 4,817.88
  4. Step 4: Simplify right side
    6,761.88x = 48,830,466.45
  5. Step 5: Solve for x
    x = 48,830,466.45/6,761.88
  6. Step 6: Final answer
    x = 7,221.43

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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.