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Finding the Fourth Proportional to 3,677.68, 5,516.34 and 941.68

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Solution

The fourth proportional to 3,677.68, 5,516.34 and 941.68 is: 1,412.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.68 : 5,516.34 = 941.68 : x
  2. Step 2: Convert to fraction form
    3,677.68/5,516.34 = 941.68/x
  3. Step 3: Cross multiply
    3,677.68x = 5,516.34 × 941.68
  4. Step 4: Simplify right side
    3,677.68x = 5,194,627.05
  5. Step 5: Solve for x
    x = 5,194,627.05/3,677.68
  6. Step 6: Final answer
    x = 1,412.47

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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.