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Finding the Fourth Proportional to 6,017,978.66, 8,302,631.11 and 3,954,105.82

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Solution

The fourth proportional to 6,017,978.66, 8,302,631.11 and 3,954,105.82 is: 5,455,234.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,017,978.66 : 8,302,631.11 = 3,954,105.82 : x
  2. Step 2: Convert to fraction form
    6,017,978.66/8,302,631.11 = 3,954,105.82/x
  3. Step 3: Cross multiply
    6,017,978.66x = 8,302,631.11 × 3,954,105.82
  4. Step 4: Simplify right side
    6,017,978.66x = 32,829,481,962,722.21
  5. Step 5: Solve for x
    x = 32,829,481,962,722.21/6,017,978.66
  6. Step 6: Final answer
    x = 5,455,234.03

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Why These Related Problems?

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