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Finding the Fourth Proportional to 6,636.63, 9,956.43 and 2,194.14

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Solution

The fourth proportional to 6,636.63, 9,956.43 and 2,194.14 is: 3,291.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.63 : 9,956.43 = 2,194.14 : x
  2. Step 2: Convert to fraction form
    6,636.63/9,956.43 = 2,194.14/x
  3. Step 3: Cross multiply
    6,636.63x = 9,956.43 × 2,194.14
  4. Step 4: Simplify right side
    6,636.63x = 21,845,801.32
  5. Step 5: Solve for x
    x = 21,845,801.32/6,636.63
  6. Step 6: Final answer
    x = 3,291.70

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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.