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Finding the Fourth Proportional to 4,173.62, 6,260.42 and 3,347.82

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Solution

The fourth proportional to 4,173.62, 6,260.42 and 3,347.82 is: 5,021.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,173.62 : 6,260.42 = 3,347.82 : x
  2. Step 2: Convert to fraction form
    4,173.62/6,260.42 = 3,347.82/x
  3. Step 3: Cross multiply
    4,173.62x = 6,260.42 × 3,347.82
  4. Step 4: Simplify right side
    4,173.62x = 20,958,742.55
  5. Step 5: Solve for x
    x = 20,958,742.55/4,173.62
  6. Step 6: Final answer
    x = 5,021.72

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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.