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Finding the Fourth Proportional to 18,722,827.80, 28,084,241.70 and 16,597,063.80

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Solution

The fourth proportional to 18,722,827.80, 28,084,241.70 and 16,597,063.80 is: 24,895,595.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,827.80 : 28,084,241.70 = 16,597,063.80 : x
  2. Step 2: Convert to fraction form
    18,722,827.80/28,084,241.70 = 16,597,063.80/x
  3. Step 3: Cross multiply
    18,722,827.80x = 28,084,241.70 × 16,597,063.80
  4. Step 4: Simplify right side
    18,722,827.80x = 466,115,951,269,520.44
  5. Step 5: Solve for x
    x = 466,115,951,269,520.44/18,722,827.80
  6. Step 6: Final answer
    x = 24,895,595.70

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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.