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Finding the Fourth Proportional to 14,367,607.20, 21,551,410.80 and 13,800,736.80

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Solution

The fourth proportional to 14,367,607.20, 21,551,410.80 and 13,800,736.80 is: 20,701,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,367,607.20 : 21,551,410.80 = 13,800,736.80 : x
  2. Step 2: Convert to fraction form
    14,367,607.20/21,551,410.80 = 13,800,736.80/x
  3. Step 3: Cross multiply
    14,367,607.20x = 21,551,410.80 × 13,800,736.80
  4. Step 4: Simplify right side
    14,367,607.20x = 297,425,348,119,477.44
  5. Step 5: Solve for x
    x = 297,425,348,119,477.44/14,367,607.20
  6. Step 6: Final answer
    x = 20,701,105.20

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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.