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Finding the Fourth Proportional to 8,436.34, 12,654.92 and 2,593

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Solution

The fourth proportional to 8,436.34, 12,654.92 and 2,593 is: 3,889.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.34 : 12,654.92 = 2,593 : x
  2. Step 2: Convert to fraction form
    8,436.34/12,654.92 = 2,593/x
  3. Step 3: Cross multiply
    8,436.34x = 12,654.92 × 2,593
  4. Step 4: Simplify right side
    8,436.34x = 32,814,207.56
  5. Step 5: Solve for x
    x = 32,814,207.56/8,436.34
  6. Step 6: Final answer
    x = 3,889.63

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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.