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Finding the Fourth Proportional to 7,575.80, 11,347.26 and 3,672

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Solution

The fourth proportional to 7,575.80, 11,347.26 and 3,672 is: 5,500.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.80 : 11,347.26 = 3,672 : x
  2. Step 2: Convert to fraction form
    7,575.80/11,347.26 = 3,672/x
  3. Step 3: Cross multiply
    7,575.80x = 11,347.26 × 3,672
  4. Step 4: Simplify right side
    7,575.80x = 41,667,138.72
  5. Step 5: Solve for x
    x = 41,667,138.72/7,575.80
  6. Step 6: Final answer
    x = 5,500.03

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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.