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Finding the Fourth Proportional to 8,786.98, 13,180.48 and 3,592.86

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Solution

The fourth proportional to 8,786.98, 13,180.48 and 3,592.86 is: 5,389.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786.98 : 13,180.48 = 3,592.86 : x
  2. Step 2: Convert to fraction form
    8,786.98/13,180.48 = 3,592.86/x
  3. Step 3: Cross multiply
    8,786.98x = 13,180.48 × 3,592.86
  4. Step 4: Simplify right side
    8,786.98x = 47,355,560.96
  5. Step 5: Solve for x
    x = 47,355,560.96/8,786.98
  6. Step 6: Final answer
    x = 5,389.29

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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.