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Finding the Fourth Proportional to 3,884.58, 5,826.28 and 1,251.74

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Solution

The fourth proportional to 3,884.58, 5,826.28 and 1,251.74 is: 1,877.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.58 : 5,826.28 = 1,251.74 : x
  2. Step 2: Convert to fraction form
    3,884.58/5,826.28 = 1,251.74/x
  3. Step 3: Cross multiply
    3,884.58x = 5,826.28 × 1,251.74
  4. Step 4: Simplify right side
    3,884.58x = 7,292,958.60
  5. Step 5: Solve for x
    x = 7,292,958.60/3,884.58
  6. Step 6: Final answer
    x = 1,877.41

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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.