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Finding the Fourth Proportional to 8,928.03, 13,393.26 and 3,383.31

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Solution

The fourth proportional to 8,928.03, 13,393.26 and 3,383.31 is: 5,075.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.03 : 13,393.26 = 3,383.31 : x
  2. Step 2: Convert to fraction form
    8,928.03/13,393.26 = 3,383.31/x
  3. Step 3: Cross multiply
    8,928.03x = 13,393.26 × 3,383.31
  4. Step 4: Simplify right side
    8,928.03x = 45,313,550.49
  5. Step 5: Solve for x
    x = 45,313,550.49/8,928.03
  6. Step 6: Final answer
    x = 5,075.43

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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.