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Finding the Fourth Proportional to 3,134.62, 4,696.80 and 1,902.41

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Solution

The fourth proportional to 3,134.62, 4,696.80 and 1,902.41 is: 2,850.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.62 : 4,696.80 = 1,902.41 : x
  2. Step 2: Convert to fraction form
    3,134.62/4,696.80 = 1,902.41/x
  3. Step 3: Cross multiply
    3,134.62x = 4,696.80 × 1,902.41
  4. Step 4: Simplify right side
    3,134.62x = 8,935,239.29
  5. Step 5: Solve for x
    x = 8,935,239.29/3,134.62
  6. Step 6: Final answer
    x = 2,850.50

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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.