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Finding the Fourth Proportional to 6,510.77, 9,763.24 and 3,879.52

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Solution

The fourth proportional to 6,510.77, 9,763.24 and 3,879.52 is: 5,817.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,510.77 : 9,763.24 = 3,879.52 : x
  2. Step 2: Convert to fraction form
    6,510.77/9,763.24 = 3,879.52/x
  3. Step 3: Cross multiply
    6,510.77x = 9,763.24 × 3,879.52
  4. Step 4: Simplify right side
    6,510.77x = 37,876,650.74
  5. Step 5: Solve for x
    x = 37,876,650.74/6,510.77
  6. Step 6: Final answer
    x = 5,817.54

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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.