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Finding the Fourth Proportional to 2,647.68, 3,654 and 1,468.86

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Solution

The fourth proportional to 2,647.68, 3,654 and 1,468.86 is: 2,027.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647.68 : 3,654 = 1,468.86 : x
  2. Step 2: Convert to fraction form
    2,647.68/3,654 = 1,468.86/x
  3. Step 3: Cross multiply
    2,647.68x = 3,654 × 1,468.86
  4. Step 4: Simplify right side
    2,647.68x = 5,367,214.44
  5. Step 5: Solve for x
    x = 5,367,214.44/2,647.68
  6. Step 6: Final answer
    x = 2,027.14

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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.