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Finding the Fourth Proportional to 45,676.56, 68,553.72 and 17,994

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Solution

The fourth proportional to 45,676.56, 68,553.72 and 17,994 is: 27,006.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,676.56 : 68,553.72 = 17,994 : x
  2. Step 2: Convert to fraction form
    45,676.56/68,553.72 = 17,994/x
  3. Step 3: Cross multiply
    45,676.56x = 68,553.72 × 17,994
  4. Step 4: Simplify right side
    45,676.56x = 1,233,555,637.68
  5. Step 5: Solve for x
    x = 1,233,555,637.68/45,676.56
  6. Step 6: Final answer
    x = 27,006.32

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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.