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Finding the Fourth Proportional to 2,894.72, 4,347.37 and 2,650.73

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Solution

The fourth proportional to 2,894.72, 4,347.37 and 2,650.73 is: 3,980.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894.72 : 4,347.37 = 2,650.73 : x
  2. Step 2: Convert to fraction form
    2,894.72/4,347.37 = 2,650.73/x
  3. Step 3: Cross multiply
    2,894.72x = 4,347.37 × 2,650.73
  4. Step 4: Simplify right side
    2,894.72x = 11,523,704.08
  5. Step 5: Solve for x
    x = 11,523,704.08/2,894.72
  6. Step 6: Final answer
    x = 3,980.94

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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.