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Finding the Fourth Proportional to 6,173.60, 9,257.04 and 4,228

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Solution

The fourth proportional to 6,173.60, 9,257.04 and 4,228 is: 6,339.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,173.60 : 9,257.04 = 4,228 : x
  2. Step 2: Convert to fraction form
    6,173.60/9,257.04 = 4,228/x
  3. Step 3: Cross multiply
    6,173.60x = 9,257.04 × 4,228
  4. Step 4: Simplify right side
    6,173.60x = 39,138,765.12
  5. Step 5: Solve for x
    x = 39,138,765.12/6,173.60
  6. Step 6: Final answer
    x = 6,339.70

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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.