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Finding the Fourth Proportional to 17,893.55, 26,840.93 and 4,747.25

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Solution

The fourth proportional to 17,893.55, 26,840.93 and 4,747.25 is: 7,121.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,893.55 : 26,840.93 = 4,747.25 : x
  2. Step 2: Convert to fraction form
    17,893.55/26,840.93 = 4,747.25/x
  3. Step 3: Cross multiply
    17,893.55x = 26,840.93 × 4,747.25
  4. Step 4: Simplify right side
    17,893.55x = 127,420,604.94
  5. Step 5: Solve for x
    x = 127,420,604.94/17,893.55
  6. Step 6: Final answer
    x = 7,121.04

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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.