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Finding the Fourth Proportional to 3,716.60, 5,564.10 and 3,608.60

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Solution

The fourth proportional to 3,716.60, 5,564.10 and 3,608.60 is: 5,402.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.60 : 5,564.10 = 3,608.60 : x
  2. Step 2: Convert to fraction form
    3,716.60/5,564.10 = 3,608.60/x
  3. Step 3: Cross multiply
    3,716.60x = 5,564.10 × 3,608.60
  4. Step 4: Simplify right side
    3,716.60x = 20,078,611.26
  5. Step 5: Solve for x
    x = 20,078,611.26/3,716.60
  6. Step 6: Final answer
    x = 5,402.41

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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.