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Finding the Fourth Proportional to 4,486.65, 6,189.92 and 4,479.73

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Solution

The fourth proportional to 4,486.65, 6,189.92 and 4,479.73 is: 6,180.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,486.65 : 6,189.92 = 4,479.73 : x
  2. Step 2: Convert to fraction form
    4,486.65/6,189.92 = 4,479.73/x
  3. Step 3: Cross multiply
    4,486.65x = 6,189.92 × 4,479.73
  4. Step 4: Simplify right side
    4,486.65x = 27,729,145.83
  5. Step 5: Solve for x
    x = 27,729,145.83/4,486.65
  6. Step 6: Final answer
    x = 6,180.37

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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.