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Finding the Fourth Proportional to 2,469.74, 3,704.45 and 1,008.86

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Solution

The fourth proportional to 2,469.74, 3,704.45 and 1,008.86 is: 1,513.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,469.74 : 3,704.45 = 1,008.86 : x
  2. Step 2: Convert to fraction form
    2,469.74/3,704.45 = 1,008.86/x
  3. Step 3: Cross multiply
    2,469.74x = 3,704.45 × 1,008.86
  4. Step 4: Simplify right side
    2,469.74x = 3,737,247.86
  5. Step 5: Solve for x
    x = 3,737,247.86/2,469.74
  6. Step 6: Final answer
    x = 1,513.22

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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.