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Finding the Fourth Proportional to 16,641,855.20, 24,962,782.80 and 13,954,469.60

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Solution

The fourth proportional to 16,641,855.20, 24,962,782.80 and 13,954,469.60 is: 20,931,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,641,855.20 : 24,962,782.80 = 13,954,469.60 : x
  2. Step 2: Convert to fraction form
    16,641,855.20/24,962,782.80 = 13,954,469.60/x
  3. Step 3: Cross multiply
    16,641,855.20x = 24,962,782.80 × 13,954,469.60
  4. Step 4: Simplify right side
    16,641,855.20x = 348,342,393,714,002.88
  5. Step 5: Solve for x
    x = 348,342,393,714,002.88/16,641,855.20
  6. Step 6: Final answer
    x = 20,931,704.40

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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.