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Finding the Fourth Proportional to 7,433, 11,149.50 and 2,238.88

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Solution

The fourth proportional to 7,433, 11,149.50 and 2,238.88 is: 3,358.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,433 : 11,149.50 = 2,238.88 : x
  2. Step 2: Convert to fraction form
    7,433/11,149.50 = 2,238.88/x
  3. Step 3: Cross multiply
    7,433x = 11,149.50 × 2,238.88
  4. Step 4: Simplify right side
    7,433x = 24,962,392.56
  5. Step 5: Solve for x
    x = 24,962,392.56/7,433
  6. Step 6: Final answer
    x = 3,358.32

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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.