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Finding the Fourth Proportional to 6,363.75, 8,777.97 and 4,238.61

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Solution

The fourth proportional to 6,363.75, 8,777.97 and 4,238.61 is: 5,846.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,363.75 : 8,777.97 = 4,238.61 : x
  2. Step 2: Convert to fraction form
    6,363.75/8,777.97 = 4,238.61/x
  3. Step 3: Cross multiply
    6,363.75x = 8,777.97 × 4,238.61
  4. Step 4: Simplify right side
    6,363.75x = 37,206,391.42
  5. Step 5: Solve for x
    x = 37,206,391.42/6,363.75
  6. Step 6: Final answer
    x = 5,846.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.