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Finding the Fourth Proportional to 4,601.75, 6,309.12 and 4,518.79

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Solution

The fourth proportional to 4,601.75, 6,309.12 and 4,518.79 is: 6,195.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,601.75 : 6,309.12 = 4,518.79 : x
  2. Step 2: Convert to fraction form
    4,601.75/6,309.12 = 4,518.79/x
  3. Step 3: Cross multiply
    4,601.75x = 6,309.12 × 4,518.79
  4. Step 4: Simplify right side
    4,601.75x = 28,509,589.54
  5. Step 5: Solve for x
    x = 28,509,589.54/4,601.75
  6. Step 6: Final answer
    x = 6,195.39

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.