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Finding the Fourth Proportional to 3,713.80, 5,559.76 and 2,744.24

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Solution

The fourth proportional to 3,713.80, 5,559.76 and 2,744.24 is: 4,108.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.80 : 5,559.76 = 2,744.24 : x
  2. Step 2: Convert to fraction form
    3,713.80/5,559.76 = 2,744.24/x
  3. Step 3: Cross multiply
    3,713.80x = 5,559.76 × 2,744.24
  4. Step 4: Simplify right side
    3,713.80x = 15,257,315.78
  5. Step 5: Solve for x
    x = 15,257,315.78/3,713.80
  6. Step 6: Final answer
    x = 4,108.28

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1.5x scale

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.