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Finding the Fourth Proportional to 4,799.50, 7,173.91 and 4,169.86

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Solution

The fourth proportional to 4,799.50, 7,173.91 and 4,169.86 is: 6,232.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,799.50 : 7,173.91 = 4,169.86 : x
  2. Step 2: Convert to fraction form
    4,799.50/7,173.91 = 4,169.86/x
  3. Step 3: Cross multiply
    4,799.50x = 7,173.91 × 4,169.86
  4. Step 4: Simplify right side
    4,799.50x = 29,914,200.35
  5. Step 5: Solve for x
    x = 29,914,200.35/4,799.50
  6. Step 6: Final answer
    x = 6,232.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.