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Finding the Fourth Proportional to 1,846.94, 2,770.42 and 548.32

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Solution

The fourth proportional to 1,846.94, 2,770.42 and 548.32 is: 822.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.94 : 2,770.42 = 548.32 : x
  2. Step 2: Convert to fraction form
    1,846.94/2,770.42 = 548.32/x
  3. Step 3: Cross multiply
    1,846.94x = 2,770.42 × 548.32
  4. Step 4: Simplify right side
    1,846.94x = 1,519,076.69
  5. Step 5: Solve for x
    x = 1,519,076.69/1,846.94
  6. Step 6: Final answer
    x = 822.48

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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.