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Finding the Fourth Proportional to 3,684.74, 5,529.38 and 1,493.48

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Solution

The fourth proportional to 3,684.74, 5,529.38 and 1,493.48 is: 2,241.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.74 : 5,529.38 = 1,493.48 : x
  2. Step 2: Convert to fraction form
    3,684.74/5,529.38 = 1,493.48/x
  3. Step 3: Cross multiply
    3,684.74x = 5,529.38 × 1,493.48
  4. Step 4: Simplify right side
    3,684.74x = 8,258,024.80
  5. Step 5: Solve for x
    x = 8,258,024.80/3,684.74
  6. Step 6: Final answer
    x = 2,241.14

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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.