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Finding the Fourth Proportional to 3,708.55, 5,558.10 and 1,514.80

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Solution

The fourth proportional to 3,708.55, 5,558.10 and 1,514.80 is: 2,270.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.55 : 5,558.10 = 1,514.80 : x
  2. Step 2: Convert to fraction form
    3,708.55/5,558.10 = 1,514.80/x
  3. Step 3: Cross multiply
    3,708.55x = 5,558.10 × 1,514.80
  4. Step 4: Simplify right side
    3,708.55x = 8,419,409.88
  5. Step 5: Solve for x
    x = 8,419,409.88/3,708.55
  6. Step 6: Final answer
    x = 2,270.27

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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.