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Finding the Fourth Proportional to 5,776.08, 8,662.84 and 2,655.30

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Solution

The fourth proportional to 5,776.08, 8,662.84 and 2,655.30 is: 3,982.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776.08 : 8,662.84 = 2,655.30 : x
  2. Step 2: Convert to fraction form
    5,776.08/8,662.84 = 2,655.30/x
  3. Step 3: Cross multiply
    5,776.08x = 8,662.84 × 2,655.30
  4. Step 4: Simplify right side
    5,776.08x = 23,002,439.05
  5. Step 5: Solve for x
    x = 23,002,439.05/5,776.08
  6. Step 6: Final answer
    x = 3,982.36

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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.