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Finding the Fourth Proportional to 20,250.26, 30,375.38 and 7,602.92

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Solution

The fourth proportional to 20,250.26, 30,375.38 and 7,602.92 is: 11,404.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.26 : 30,375.38 = 7,602.92 : x
  2. Step 2: Convert to fraction form
    20,250.26/30,375.38 = 7,602.92/x
  3. Step 3: Cross multiply
    20,250.26x = 30,375.38 × 7,602.92
  4. Step 4: Simplify right side
    20,250.26x = 230,941,394.22
  5. Step 5: Solve for x
    x = 230,941,394.22/20,250.26
  6. Step 6: Final answer
    x = 11,404.37

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1.5x scale

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.