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Finding the Fourth Proportional to 3,303.99, 4,559.64 and 1,811.96

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Solution

The fourth proportional to 3,303.99, 4,559.64 and 1,811.96 is: 2,500.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,303.99 : 4,559.64 = 1,811.96 : x
  2. Step 2: Convert to fraction form
    3,303.99/4,559.64 = 1,811.96/x
  3. Step 3: Cross multiply
    3,303.99x = 4,559.64 × 1,811.96
  4. Step 4: Simplify right side
    3,303.99x = 8,261,872.80
  5. Step 5: Solve for x
    x = 8,261,872.80/3,303.99
  6. Step 6: Final answer
    x = 2,500.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.