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Finding the Fourth Proportional to 3,472.56, 5,211 and 2,533.86

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Solution

The fourth proportional to 3,472.56, 5,211 and 2,533.86 is: 3,802.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.56 : 5,211 = 2,533.86 : x
  2. Step 2: Convert to fraction form
    3,472.56/5,211 = 2,533.86/x
  3. Step 3: Cross multiply
    3,472.56x = 5,211 × 2,533.86
  4. Step 4: Simplify right side
    3,472.56x = 13,203,944.46
  5. Step 5: Solve for x
    x = 13,203,944.46/3,472.56
  6. Step 6: Final answer
    x = 3,802.37

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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.