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Finding the Fourth Proportional to 17,063.96, 25,579.50 and 8,747.88

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Solution

The fourth proportional to 17,063.96, 25,579.50 and 8,747.88 is: 13,113.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,063.96 : 25,579.50 = 8,747.88 : x
  2. Step 2: Convert to fraction form
    17,063.96/25,579.50 = 8,747.88/x
  3. Step 3: Cross multiply
    17,063.96x = 25,579.50 × 8,747.88
  4. Step 4: Simplify right side
    17,063.96x = 223,766,396.46
  5. Step 5: Solve for x
    x = 223,766,396.46/17,063.96
  6. Step 6: Final answer
    x = 13,113.39

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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.