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Finding the Fourth Proportional to 1,846.10, 2,768.73 and 547.26

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Solution

The fourth proportional to 1,846.10, 2,768.73 and 547.26 is: 820.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.10 : 2,768.73 = 547.26 : x
  2. Step 2: Convert to fraction form
    1,846.10/2,768.73 = 547.26/x
  3. Step 3: Cross multiply
    1,846.10x = 2,768.73 × 547.26
  4. Step 4: Simplify right side
    1,846.10x = 1,515,215.18
  5. Step 5: Solve for x
    x = 1,515,215.18/1,846.10
  6. Step 6: Final answer
    x = 820.77

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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.