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Finding the Fourth Proportional to 4,786.82, 6,606.41 and 2,690.95

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Solution

The fourth proportional to 4,786.82, 6,606.41 and 2,690.95 is: 3,713.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.82 : 6,606.41 = 2,690.95 : x
  2. Step 2: Convert to fraction form
    4,786.82/6,606.41 = 2,690.95/x
  3. Step 3: Cross multiply
    4,786.82x = 6,606.41 × 2,690.95
  4. Step 4: Simplify right side
    4,786.82x = 17,777,472.50
  5. Step 5: Solve for x
    x = 17,777,472.50/4,786.82
  6. Step 6: Final answer
    x = 3,713.84

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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.