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Finding the Fourth Proportional to 7,773.88, 11,662.08 and 3,093.88

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Solution

The fourth proportional to 7,773.88, 11,662.08 and 3,093.88 is: 4,641.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,773.88 : 11,662.08 = 3,093.88 : x
  2. Step 2: Convert to fraction form
    7,773.88/11,662.08 = 3,093.88/x
  3. Step 3: Cross multiply
    7,773.88x = 11,662.08 × 3,093.88
  4. Step 4: Simplify right side
    7,773.88x = 36,081,076.07
  5. Step 5: Solve for x
    x = 36,081,076.07/7,773.88
  6. Step 6: Final answer
    x = 4,641.32

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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.