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Finding the Fourth Proportional to 6,467.36, 8,928.33 and 4,353.99

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Solution

The fourth proportional to 6,467.36, 8,928.33 and 4,353.99 is: 6,010.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,467.36 : 8,928.33 = 4,353.99 : x
  2. Step 2: Convert to fraction form
    6,467.36/8,928.33 = 4,353.99/x
  3. Step 3: Cross multiply
    6,467.36x = 8,928.33 × 4,353.99
  4. Step 4: Simplify right side
    6,467.36x = 38,873,859.54
  5. Step 5: Solve for x
    x = 38,873,859.54/6,467.36
  6. Step 6: Final answer
    x = 6,010.78

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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.