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Finding the Fourth Proportional to 11,797.36, 16,280.68 and 6,762

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Solution

The fourth proportional to 11,797.36, 16,280.68 and 6,762 is: 9,331.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,797.36 : 16,280.68 = 6,762 : x
  2. Step 2: Convert to fraction form
    11,797.36/16,280.68 = 6,762/x
  3. Step 3: Cross multiply
    11,797.36x = 16,280.68 × 6,762
  4. Step 4: Simplify right side
    11,797.36x = 110,089,958.16
  5. Step 5: Solve for x
    x = 110,089,958.16/11,797.36
  6. Step 6: Final answer
    x = 9,331.75

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Why These Related Problems?

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