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Finding the Fourth Proportional to 1,847.07, 2,771.01 and 548.37

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Solution

The fourth proportional to 1,847.07, 2,771.01 and 548.37 is: 822.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.07 : 2,771.01 = 548.37 : x
  2. Step 2: Convert to fraction form
    1,847.07/2,771.01 = 548.37/x
  3. Step 3: Cross multiply
    1,847.07x = 2,771.01 × 548.37
  4. Step 4: Simplify right side
    1,847.07x = 1,519,538.75
  5. Step 5: Solve for x
    x = 1,519,538.75/1,847.07
  6. Step 6: Final answer
    x = 822.68

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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.