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Finding the Fourth Proportional to 8,773.43, 13,165.33 and 3,230.66

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Solution

The fourth proportional to 8,773.43, 13,165.33 and 3,230.66 is: 4,847.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.43 : 13,165.33 = 3,230.66 : x
  2. Step 2: Convert to fraction form
    8,773.43/13,165.33 = 3,230.66/x
  3. Step 3: Cross multiply
    8,773.43x = 13,165.33 × 3,230.66
  4. Step 4: Simplify right side
    8,773.43x = 42,532,705.02
  5. Step 5: Solve for x
    x = 42,532,705.02/8,773.43
  6. Step 6: Final answer
    x = 4,847.90

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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.