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Finding the Fourth Proportional to 2,751.79, 4,118.10 and 2,252.43

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Solution

The fourth proportional to 2,751.79, 4,118.10 and 2,252.43 is: 3,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.79 : 4,118.10 = 2,252.43 : x
  2. Step 2: Convert to fraction form
    2,751.79/4,118.10 = 2,252.43/x
  3. Step 3: Cross multiply
    2,751.79x = 4,118.10 × 2,252.43
  4. Step 4: Simplify right side
    2,751.79x = 9,275,731.98
  5. Step 5: Solve for x
    x = 9,275,731.98/2,751.79
  6. Step 6: Final answer
    x = 3,370.80

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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.