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Finding the Fourth Proportional to 4,563.80, 6,842.10 and 2,511.80

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Solution

The fourth proportional to 4,563.80, 6,842.10 and 2,511.80 is: 3,765.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,563.80 : 6,842.10 = 2,511.80 : x
  2. Step 2: Convert to fraction form
    4,563.80/6,842.10 = 2,511.80/x
  3. Step 3: Cross multiply
    4,563.80x = 6,842.10 × 2,511.80
  4. Step 4: Simplify right side
    4,563.80x = 17,185,986.78
  5. Step 5: Solve for x
    x = 17,185,986.78/4,563.80
  6. Step 6: Final answer
    x = 3,765.72

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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.