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Finding the Fourth Proportional to 3,168.88, 4,751.26 and 1,709.08

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Solution

The fourth proportional to 3,168.88, 4,751.26 and 1,709.08 is: 2,562.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.88 : 4,751.26 = 1,709.08 : x
  2. Step 2: Convert to fraction form
    3,168.88/4,751.26 = 1,709.08/x
  3. Step 3: Cross multiply
    3,168.88x = 4,751.26 × 1,709.08
  4. Step 4: Simplify right side
    3,168.88x = 8,120,283.44
  5. Step 5: Solve for x
    x = 8,120,283.44/3,168.88
  6. Step 6: Final answer
    x = 2,562.51

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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.