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Finding the Fourth Proportional to 6,246.44, 8,617.38 and 3,761

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Solution

The fourth proportional to 6,246.44, 8,617.38 and 3,761 is: 5,188.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.44 : 8,617.38 = 3,761 : x
  2. Step 2: Convert to fraction form
    6,246.44/8,617.38 = 3,761/x
  3. Step 3: Cross multiply
    6,246.44x = 8,617.38 × 3,761
  4. Step 4: Simplify right side
    6,246.44x = 32,409,966.18
  5. Step 5: Solve for x
    x = 32,409,966.18/6,246.44
  6. Step 6: Final answer
    x = 5,188.55

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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.