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Finding the Fourth Proportional to 7,213.50, 10,820.30 and 2,533.50

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Solution

The fourth proportional to 7,213.50, 10,820.30 and 2,533.50 is: 3,800.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.50 : 10,820.30 = 2,533.50 : x
  2. Step 2: Convert to fraction form
    7,213.50/10,820.30 = 2,533.50/x
  3. Step 3: Cross multiply
    7,213.50x = 10,820.30 × 2,533.50
  4. Step 4: Simplify right side
    7,213.50x = 27,413,230.05
  5. Step 5: Solve for x
    x = 27,413,230.05/7,213.50
  6. Step 6: Final answer
    x = 3,800.27

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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.