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Finding the Fourth Proportional to 5,903,811.88, 8,858,517.18 and 3,512,380.84

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Solution

The fourth proportional to 5,903,811.88, 8,858,517.18 and 3,512,380.84 is: 5,270,236.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,903,811.88 : 8,858,517.18 = 3,512,380.84 : x
  2. Step 2: Convert to fraction form
    5,903,811.88/8,858,517.18 = 3,512,380.84/x
  3. Step 3: Cross multiply
    5,903,811.88x = 8,858,517.18 × 3,512,380.84
  4. Step 4: Simplify right side
    5,903,811.88x = 31,114,486,013,842.83
  5. Step 5: Solve for x
    x = 31,114,486,013,842.83/5,903,811.88
  6. Step 6: Final answer
    x = 5,270,236.70

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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.