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Finding the Fourth Proportional to 6,631.88, 9,947.81 and 2,014.88

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Solution

The fourth proportional to 6,631.88, 9,947.81 and 2,014.88 is: 3,022.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.88 : 9,947.81 = 2,014.88 : x
  2. Step 2: Convert to fraction form
    6,631.88/9,947.81 = 2,014.88/x
  3. Step 3: Cross multiply
    6,631.88x = 9,947.81 × 2,014.88
  4. Step 4: Simplify right side
    6,631.88x = 20,043,598.71
  5. Step 5: Solve for x
    x = 20,043,598.71/6,631.88
  6. Step 6: Final answer
    x = 3,022.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.