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Finding the Fourth Proportional to 3,303.82, 4,559.29 and 1,811.87

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Solution

The fourth proportional to 3,303.82, 4,559.29 and 1,811.87 is: 2,500.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,303.82 : 4,559.29 = 1,811.87 : x
  2. Step 2: Convert to fraction form
    3,303.82/4,559.29 = 1,811.87/x
  3. Step 3: Cross multiply
    3,303.82x = 4,559.29 × 1,811.87
  4. Step 4: Simplify right side
    3,303.82x = 8,260,830.54
  5. Step 5: Solve for x
    x = 8,260,830.54/3,303.82
  6. Step 6: Final answer
    x = 2,500.39

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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.