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Finding the Fourth Proportional to 13,355,906.19, 20,034,634.32 and 3,770,482.02

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Solution

The fourth proportional to 13,355,906.19, 20,034,634.32 and 3,770,482.02 is: 5,655,941.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355,906.19 : 20,034,634.32 = 3,770,482.02 : x
  2. Step 2: Convert to fraction form
    13,355,906.19/20,034,634.32 = 3,770,482.02/x
  3. Step 3: Cross multiply
    13,355,906.19x = 20,034,634.32 × 3,770,482.02
  4. Step 4: Simplify right side
    13,355,906.19x = 75,540,228,480,834.92
  5. Step 5: Solve for x
    x = 75,540,228,480,834.92/13,355,906.19
  6. Step 6: Final answer
    x = 5,655,941.83

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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.