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Finding the Fourth Proportional to 6,927.80, 9,560.44 and 3,784.08

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Solution

The fourth proportional to 6,927.80, 9,560.44 and 3,784.08 is: 5,222.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,927.80 : 9,560.44 = 3,784.08 : x
  2. Step 2: Convert to fraction form
    6,927.80/9,560.44 = 3,784.08/x
  3. Step 3: Cross multiply
    6,927.80x = 9,560.44 × 3,784.08
  4. Step 4: Simplify right side
    6,927.80x = 36,177,469.80
  5. Step 5: Solve for x
    x = 36,177,469.80/6,927.80
  6. Step 6: Final answer
    x = 5,222.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.