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Finding the Fourth Proportional to 6,923.37, 9,554.15 and 3,939.18

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Solution

The fourth proportional to 6,923.37, 9,554.15 and 3,939.18 is: 5,436.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.37 : 9,554.15 = 3,939.18 : x
  2. Step 2: Convert to fraction form
    6,923.37/9,554.15 = 3,939.18/x
  3. Step 3: Cross multiply
    6,923.37x = 9,554.15 × 3,939.18
  4. Step 4: Simplify right side
    6,923.37x = 37,635,544.36
  5. Step 5: Solve for x
    x = 37,635,544.36/6,923.37
  6. Step 6: Final answer
    x = 5,436.01

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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.