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Finding the Fourth Proportional to 6,146, 9,212.64 and 2,446.64

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Solution

The fourth proportional to 6,146, 9,212.64 and 2,446.64 is: 3,667.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,146 : 9,212.64 = 2,446.64 : x
  2. Step 2: Convert to fraction form
    6,146/9,212.64 = 2,446.64/x
  3. Step 3: Cross multiply
    6,146x = 9,212.64 × 2,446.64
  4. Step 4: Simplify right side
    6,146x = 22,540,013.53
  5. Step 5: Solve for x
    x = 22,540,013.53/6,146
  6. Step 6: Final answer
    x = 3,667.43

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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.