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Finding the Fourth Proportional to 7,893.03, 11,840.36 and 2,699.31

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Solution

The fourth proportional to 7,893.03, 11,840.36 and 2,699.31 is: 4,049.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893.03 : 11,840.36 = 2,699.31 : x
  2. Step 2: Convert to fraction form
    7,893.03/11,840.36 = 2,699.31/x
  3. Step 3: Cross multiply
    7,893.03x = 11,840.36 × 2,699.31
  4. Step 4: Simplify right side
    7,893.03x = 31,960,788.66
  5. Step 5: Solve for x
    x = 31,960,788.66/7,893.03
  6. Step 6: Final answer
    x = 4,049.24

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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.