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Finding the Fourth Proportional to 6,236.66, 8,606.74 and 3,719.26

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Solution

The fourth proportional to 6,236.66, 8,606.74 and 3,719.26 is: 5,132.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,236.66 : 8,606.74 = 3,719.26 : x
  2. Step 2: Convert to fraction form
    6,236.66/8,606.74 = 3,719.26/x
  3. Step 3: Cross multiply
    6,236.66x = 8,606.74 × 3,719.26
  4. Step 4: Simplify right side
    6,236.66x = 32,010,660.78
  5. Step 5: Solve for x
    x = 32,010,660.78/6,236.66
  6. Step 6: Final answer
    x = 5,132.66

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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.