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Finding the Fourth Proportional to 5,471.66, 8,208.58 and 1,960.73

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Solution

The fourth proportional to 5,471.66, 8,208.58 and 1,960.73 is: 2,941.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.66 : 8,208.58 = 1,960.73 : x
  2. Step 2: Convert to fraction form
    5,471.66/8,208.58 = 1,960.73/x
  3. Step 3: Cross multiply
    5,471.66x = 8,208.58 × 1,960.73
  4. Step 4: Simplify right side
    5,471.66x = 16,094,758.22
  5. Step 5: Solve for x
    x = 16,094,758.22/5,471.66
  6. Step 6: Final answer
    x = 2,941.48

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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.