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Finding the Fourth Proportional to 3,164.63, 4,747.01 and 1,084.62

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Solution

The fourth proportional to 3,164.63, 4,747.01 and 1,084.62 is: 1,626.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.63 : 4,747.01 = 1,084.62 : x
  2. Step 2: Convert to fraction form
    3,164.63/4,747.01 = 1,084.62/x
  3. Step 3: Cross multiply
    3,164.63x = 4,747.01 × 1,084.62
  4. Step 4: Simplify right side
    3,164.63x = 5,148,696.56
  5. Step 5: Solve for x
    x = 5,148,696.56/3,164.63
  6. Step 6: Final answer
    x = 1,626.95

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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.