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Finding the Fourth Proportional to 6,512.77, 9,764.71 and 3,133.78

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Solution

The fourth proportional to 6,512.77, 9,764.71 and 3,133.78 is: 4,698.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,512.77 : 9,764.71 = 3,133.78 : x
  2. Step 2: Convert to fraction form
    6,512.77/9,764.71 = 3,133.78/x
  3. Step 3: Cross multiply
    6,512.77x = 9,764.71 × 3,133.78
  4. Step 4: Simplify right side
    6,512.77x = 30,600,452.90
  5. Step 5: Solve for x
    x = 30,600,452.90/6,512.77
  6. Step 6: Final answer
    x = 4,698.53

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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.