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Finding the Fourth Proportional to 9,238.76, 13,858.62 and 2,664.80

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Solution

The fourth proportional to 9,238.76, 13,858.62 and 2,664.80 is: 3,997.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,238.76 : 13,858.62 = 2,664.80 : x
  2. Step 2: Convert to fraction form
    9,238.76/13,858.62 = 2,664.80/x
  3. Step 3: Cross multiply
    9,238.76x = 13,858.62 × 2,664.80
  4. Step 4: Simplify right side
    9,238.76x = 36,930,450.58
  5. Step 5: Solve for x
    x = 36,930,450.58/9,238.76
  6. Step 6: Final answer
    x = 3,997.34

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1.5x scale

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.