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Finding the Fourth Proportional to 5,611.64, 7,744.02 and 3,093.75

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Solution

The fourth proportional to 5,611.64, 7,744.02 and 3,093.75 is: 4,269.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.64 : 7,744.02 = 3,093.75 : x
  2. Step 2: Convert to fraction form
    5,611.64/7,744.02 = 3,093.75/x
  3. Step 3: Cross multiply
    5,611.64x = 7,744.02 × 3,093.75
  4. Step 4: Simplify right side
    5,611.64x = 23,958,061.88
  5. Step 5: Solve for x
    x = 23,958,061.88/5,611.64
  6. Step 6: Final answer
    x = 4,269.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.