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Finding the Fourth Proportional to 1,651.85, 2,481.20 and 1,596.50

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Solution

The fourth proportional to 1,651.85, 2,481.20 and 1,596.50 is: 2,398.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.85 : 2,481.20 = 1,596.50 : x
  2. Step 2: Convert to fraction form
    1,651.85/2,481.20 = 1,596.50/x
  3. Step 3: Cross multiply
    1,651.85x = 2,481.20 × 1,596.50
  4. Step 4: Simplify right side
    1,651.85x = 3,961,215.41
  5. Step 5: Solve for x
    x = 3,961,215.41/1,651.85
  6. Step 6: Final answer
    x = 2,398.05

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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.