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Finding the Fourth Proportional to 18,504, 27,753.96 and 4,653

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Solution

The fourth proportional to 18,504, 27,753.96 and 4,653 is: 6,978.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504 : 27,753.96 = 4,653 : x
  2. Step 2: Convert to fraction form
    18,504/27,753.96 = 4,653/x
  3. Step 3: Cross multiply
    18,504x = 27,753.96 × 4,653
  4. Step 4: Simplify right side
    18,504x = 129,139,175.88
  5. Step 5: Solve for x
    x = 129,139,175.88/18,504
  6. Step 6: Final answer
    x = 6,978.99

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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.