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Finding the Fourth Proportional to 6,305.95, 8,701.80 and 3,786.56

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Solution

The fourth proportional to 6,305.95, 8,701.80 and 3,786.56 is: 5,225.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,305.95 : 8,701.80 = 3,786.56 : x
  2. Step 2: Convert to fraction form
    6,305.95/8,701.80 = 3,786.56/x
  3. Step 3: Cross multiply
    6,305.95x = 8,701.80 × 3,786.56
  4. Step 4: Simplify right side
    6,305.95x = 32,949,911.68
  5. Step 5: Solve for x
    x = 32,949,911.68/6,305.95
  6. Step 6: Final answer
    x = 5,225.21

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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.