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Finding the Fourth Proportional to 3,714.50, 5,575.50 and 1,635.43

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Solution

The fourth proportional to 3,714.50, 5,575.50 and 1,635.43 is: 2,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,714.50 : 5,575.50 = 1,635.43 : x
  2. Step 2: Convert to fraction form
    3,714.50/5,575.50 = 1,635.43/x
  3. Step 3: Cross multiply
    3,714.50x = 5,575.50 × 1,635.43
  4. Step 4: Simplify right side
    3,714.50x = 9,118,339.97
  5. Step 5: Solve for x
    x = 9,118,339.97/3,714.50
  6. Step 6: Final answer
    x = 2,454.80

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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.