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Finding the Fourth Proportional to 3,471.62, 4,791.98 and 2,764.76

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Solution

The fourth proportional to 3,471.62, 4,791.98 and 2,764.76 is: 3,816.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.62 : 4,791.98 = 2,764.76 : x
  2. Step 2: Convert to fraction form
    3,471.62/4,791.98 = 2,764.76/x
  3. Step 3: Cross multiply
    3,471.62x = 4,791.98 × 2,764.76
  4. Step 4: Simplify right side
    3,471.62x = 13,248,660.80
  5. Step 5: Solve for x
    x = 13,248,660.80/3,471.62
  6. Step 6: Final answer
    x = 3,816.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.