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Finding the Fourth Proportional to 7,489,447.64, 11,235,337.90 and 2,439,583.64

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Solution

The fourth proportional to 7,489,447.64, 11,235,337.90 and 2,439,583.64 is: 3,659,755.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489,447.64 : 11,235,337.90 = 2,439,583.64 : x
  2. Step 2: Convert to fraction form
    7,489,447.64/11,235,337.90 = 2,439,583.64/x
  3. Step 3: Cross multiply
    7,489,447.64x = 11,235,337.90 × 2,439,583.64
  4. Step 4: Simplify right side
    7,489,447.64x = 27,409,546,530,711.96
  5. Step 5: Solve for x
    x = 27,409,546,530,711.96/7,489,447.64
  6. Step 6: Final answer
    x = 3,659,755.41

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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.