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Finding the Fourth Proportional to 6,371.93, 8,794.31 and 3,719.32

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Solution

The fourth proportional to 6,371.93, 8,794.31 and 3,719.32 is: 5,133.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,371.93 : 8,794.31 = 3,719.32 : x
  2. Step 2: Convert to fraction form
    6,371.93/8,794.31 = 3,719.32/x
  3. Step 3: Cross multiply
    6,371.93x = 8,794.31 × 3,719.32
  4. Step 4: Simplify right side
    6,371.93x = 32,708,812.49
  5. Step 5: Solve for x
    x = 32,708,812.49/6,371.93
  6. Step 6: Final answer
    x = 5,133.26

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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.