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Finding the Fourth Proportional to 5,467.88, 8,200.08 and 1,769.21

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Solution

The fourth proportional to 5,467.88, 8,200.08 and 1,769.21 is: 2,653.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,467.88 : 8,200.08 = 1,769.21 : x
  2. Step 2: Convert to fraction form
    5,467.88/8,200.08 = 1,769.21/x
  3. Step 3: Cross multiply
    5,467.88x = 8,200.08 × 1,769.21
  4. Step 4: Simplify right side
    5,467.88x = 14,507,622.54
  5. Step 5: Solve for x
    x = 14,507,622.54/5,467.88
  6. Step 6: Final answer
    x = 2,653.25

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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.