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Finding the Fourth Proportional to 1,846.70, 2,770.27 and 751.09

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Solution

The fourth proportional to 1,846.70, 2,770.27 and 751.09 is: 1,126.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.70 : 2,770.27 = 751.09 : x
  2. Step 2: Convert to fraction form
    1,846.70/2,770.27 = 751.09/x
  3. Step 3: Cross multiply
    1,846.70x = 2,770.27 × 751.09
  4. Step 4: Simplify right side
    1,846.70x = 2,080,713.29
  5. Step 5: Solve for x
    x = 2,080,713.29/1,846.70
  6. Step 6: Final answer
    x = 1,126.72

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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.