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Finding the Fourth Proportional to 6,631.93, 9,947.90 and 2,684.94

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Solution

The fourth proportional to 6,631.93, 9,947.90 and 2,684.94 is: 4,027.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.93 : 9,947.90 = 2,684.94 : x
  2. Step 2: Convert to fraction form
    6,631.93/9,947.90 = 2,684.94/x
  3. Step 3: Cross multiply
    6,631.93x = 9,947.90 × 2,684.94
  4. Step 4: Simplify right side
    6,631.93x = 26,709,514.63
  5. Step 5: Solve for x
    x = 26,709,514.63/6,631.93
  6. Step 6: Final answer
    x = 4,027.41

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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.