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Finding the Fourth Proportional to 3,662.87, 5,491.69 and 1,714.01

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Solution

The fourth proportional to 3,662.87, 5,491.69 and 1,714.01 is: 2,569.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,662.87 : 5,491.69 = 1,714.01 : x
  2. Step 2: Convert to fraction form
    3,662.87/5,491.69 = 1,714.01/x
  3. Step 3: Cross multiply
    3,662.87x = 5,491.69 × 1,714.01
  4. Step 4: Simplify right side
    3,662.87x = 9,412,811.58
  5. Step 5: Solve for x
    x = 9,412,811.58/3,662.87
  6. Step 6: Final answer
    x = 2,569.79

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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.