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Finding the Fourth Proportional to 1,766.76, 2,650.41 and 1,766.76

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Solution

The fourth proportional to 1,766.76, 2,650.41 and 1,766.76 is: 2,650.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.76 : 2,650.41 = 1,766.76 : x
  2. Step 2: Convert to fraction form
    1,766.76/2,650.41 = 1,766.76/x
  3. Step 3: Cross multiply
    1,766.76x = 2,650.41 × 1,766.76
  4. Step 4: Simplify right side
    1,766.76x = 4,682,638.37
  5. Step 5: Solve for x
    x = 4,682,638.37/1,766.76
  6. Step 6: Final answer
    x = 2,650.41

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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.