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Finding the Fourth Proportional to 3,309.33, 4,964.05 and 2,530.72

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Solution

The fourth proportional to 3,309.33, 4,964.05 and 2,530.72 is: 3,796.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.33 : 4,964.05 = 2,530.72 : x
  2. Step 2: Convert to fraction form
    3,309.33/4,964.05 = 2,530.72/x
  3. Step 3: Cross multiply
    3,309.33x = 4,964.05 × 2,530.72
  4. Step 4: Simplify right side
    3,309.33x = 12,562,620.62
  5. Step 5: Solve for x
    x = 12,562,620.62/3,309.33
  6. Step 6: Final answer
    x = 3,796.12

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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.