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Finding the Fourth Proportional to 5,881.80, 8,820.78 and 2,183.88

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Solution

The fourth proportional to 5,881.80, 8,820.78 and 2,183.88 is: 3,275.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,881.80 : 8,820.78 = 2,183.88 : x
  2. Step 2: Convert to fraction form
    5,881.80/8,820.78 = 2,183.88/x
  3. Step 3: Cross multiply
    5,881.80x = 8,820.78 × 2,183.88
  4. Step 4: Simplify right side
    5,881.80x = 19,263,525.03
  5. Step 5: Solve for x
    x = 19,263,525.03/5,881.80
  6. Step 6: Final answer
    x = 3,275.11

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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.