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Finding the Fourth Proportional to 5,375.99, 8,063.34 and 1,479.89

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Solution

The fourth proportional to 5,375.99, 8,063.34 and 1,479.89 is: 2,219.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.99 : 8,063.34 = 1,479.89 : x
  2. Step 2: Convert to fraction form
    5,375.99/8,063.34 = 1,479.89/x
  3. Step 3: Cross multiply
    5,375.99x = 8,063.34 × 1,479.89
  4. Step 4: Simplify right side
    5,375.99x = 11,932,856.23
  5. Step 5: Solve for x
    x = 11,932,856.23/5,375.99
  6. Step 6: Final answer
    x = 2,219.66

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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.