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Finding the Fourth Proportional to 43,956,544.82, 65,947,709.58 and 19,690,073.96

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Solution

The fourth proportional to 43,956,544.82, 65,947,709.58 and 19,690,073.96 is: 29,540,885.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,956,544.82 : 65,947,709.58 = 19,690,073.96 : x
  2. Step 2: Convert to fraction form
    43,956,544.82/65,947,709.58 = 19,690,073.96/x
  3. Step 3: Cross multiply
    43,956,544.82x = 65,947,709.58 × 19,690,073.96
  4. Step 4: Simplify right side
    43,956,544.82x = 1,298,515,278,793,061.75
  5. Step 5: Solve for x
    x = 1,298,515,278,793,061.75/43,956,544.82
  6. Step 6: Final answer
    x = 29,540,885.99

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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.