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Finding the Fourth Proportional to 3,663.64, 5,496.21 and 1,472.54

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Solution

The fourth proportional to 3,663.64, 5,496.21 and 1,472.54 is: 2,209.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,663.64 : 5,496.21 = 1,472.54 : x
  2. Step 2: Convert to fraction form
    3,663.64/5,496.21 = 1,472.54/x
  3. Step 3: Cross multiply
    3,663.64x = 5,496.21 × 1,472.54
  4. Step 4: Simplify right side
    3,663.64x = 8,093,365.73
  5. Step 5: Solve for x
    x = 8,093,365.73/3,663.64
  6. Step 6: Final answer
    x = 2,209.11

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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.