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Finding the Fourth Proportional to 6,291, 9,436.50 and 1,674

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Solution

The fourth proportional to 6,291, 9,436.50 and 1,674 is: 2,511

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291 : 9,436.50 = 1,674 : x
  2. Step 2: Convert to fraction form
    6,291/9,436.50 = 1,674/x
  3. Step 3: Cross multiply
    6,291x = 9,436.50 × 1,674
  4. Step 4: Simplify right side
    6,291x = 15,796,701
  5. Step 5: Solve for x
    x = 15,796,701/6,291
  6. Step 6: Final answer
    x = 2,511

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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.