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Finding the Fourth Proportional to 4,992.37, 7,489.22 and 1,704.58

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Solution

The fourth proportional to 4,992.37, 7,489.22 and 1,704.58 is: 2,557.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.37 : 7,489.22 = 1,704.58 : x
  2. Step 2: Convert to fraction form
    4,992.37/7,489.22 = 1,704.58/x
  3. Step 3: Cross multiply
    4,992.37x = 7,489.22 × 1,704.58
  4. Step 4: Simplify right side
    4,992.37x = 12,765,974.63
  5. Step 5: Solve for x
    x = 12,765,974.63/4,992.37
  6. Step 6: Final answer
    x = 2,557.10

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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.