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Finding the Fourth Proportional to 5,995.80, 8,977.56 and 3,910.64

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Solution

The fourth proportional to 5,995.80, 8,977.56 and 3,910.64 is: 5,855.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,995.80 : 8,977.56 = 3,910.64 : x
  2. Step 2: Convert to fraction form
    5,995.80/8,977.56 = 3,910.64/x
  3. Step 3: Cross multiply
    5,995.80x = 8,977.56 × 3,910.64
  4. Step 4: Simplify right side
    5,995.80x = 35,107,960.35
  5. Step 5: Solve for x
    x = 35,107,960.35/5,995.80
  6. Step 6: Final answer
    x = 5,855.43

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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.