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Finding the Fourth Proportional to 2,050.44, 3,073.84 and 751.61

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Solution

The fourth proportional to 2,050.44, 3,073.84 and 751.61 is: 1,126.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,050.44 : 3,073.84 = 751.61 : x
  2. Step 2: Convert to fraction form
    2,050.44/3,073.84 = 751.61/x
  3. Step 3: Cross multiply
    2,050.44x = 3,073.84 × 751.61
  4. Step 4: Simplify right side
    2,050.44x = 2,310,328.88
  5. Step 5: Solve for x
    x = 2,310,328.88/2,050.44
  6. Step 6: Final answer
    x = 1,126.75

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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.