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Finding the Fourth Proportional to 7,375.50, 11,063.34 and 1,903.50

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Solution

The fourth proportional to 7,375.50, 11,063.34 and 1,903.50 is: 2,855.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.50 : 11,063.34 = 1,903.50 : x
  2. Step 2: Convert to fraction form
    7,375.50/11,063.34 = 1,903.50/x
  3. Step 3: Cross multiply
    7,375.50x = 11,063.34 × 1,903.50
  4. Step 4: Simplify right side
    7,375.50x = 21,059,067.69
  5. Step 5: Solve for x
    x = 21,059,067.69/7,375.50
  6. Step 6: Final answer
    x = 2,855.27

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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.