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Finding the Fourth Proportional to 36,437.10, 50,284.17 and 20,520.60

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Solution

The fourth proportional to 36,437.10, 50,284.17 and 20,520.60 is: 28,318.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,437.10 : 50,284.17 = 20,520.60 : x
  2. Step 2: Convert to fraction form
    36,437.10/50,284.17 = 20,520.60/x
  3. Step 3: Cross multiply
    36,437.10x = 50,284.17 × 20,520.60
  4. Step 4: Simplify right side
    36,437.10x = 1,031,861,338.90
  5. Step 5: Solve for x
    x = 1,031,861,338.90/36,437.10
  6. Step 6: Final answer
    x = 28,318.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.