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Finding the Fourth Proportional to 36,702.62, 50,649.57 and 20,790.14

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Solution

The fourth proportional to 36,702.62, 50,649.57 and 20,790.14 is: 28,690.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,702.62 : 50,649.57 = 20,790.14 : x
  2. Step 2: Convert to fraction form
    36,702.62/50,649.57 = 20,790.14/x
  3. Step 3: Cross multiply
    36,702.62x = 50,649.57 × 20,790.14
  4. Step 4: Simplify right side
    36,702.62x = 1,053,011,397.99
  5. Step 5: Solve for x
    x = 1,053,011,397.99/36,702.62
  6. Step 6: Final answer
    x = 28,690.36

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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.