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Finding the Fourth Proportional to 5,168.25, 7,751.01 and 2,245.88

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Solution

The fourth proportional to 5,168.25, 7,751.01 and 2,245.88 is: 3,368.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.25 : 7,751.01 = 2,245.88 : x
  2. Step 2: Convert to fraction form
    5,168.25/7,751.01 = 2,245.88/x
  3. Step 3: Cross multiply
    5,168.25x = 7,751.01 × 2,245.88
  4. Step 4: Simplify right side
    5,168.25x = 17,407,799.58
  5. Step 5: Solve for x
    x = 17,407,799.58/5,168.25
  6. Step 6: Final answer
    x = 3,368.22

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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.