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Finding the Fourth Proportional to 3,741.54, 5,610.81 and 1,548.78

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Solution

The fourth proportional to 3,741.54, 5,610.81 and 1,548.78 is: 2,322.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,741.54 : 5,610.81 = 1,548.78 : x
  2. Step 2: Convert to fraction form
    3,741.54/5,610.81 = 1,548.78/x
  3. Step 3: Cross multiply
    3,741.54x = 5,610.81 × 1,548.78
  4. Step 4: Simplify right side
    3,741.54x = 8,689,910.31
  5. Step 5: Solve for x
    x = 8,689,910.31/3,741.54
  6. Step 6: Final answer
    x = 2,322.55

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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.