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Finding the Fourth Proportional to 14,672,443.20, 22,008,664.80 and 10,893,307.20

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Solution

The fourth proportional to 14,672,443.20, 22,008,664.80 and 10,893,307.20 is: 16,339,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672,443.20 : 22,008,664.80 = 10,893,307.20 : x
  2. Step 2: Convert to fraction form
    14,672,443.20/22,008,664.80 = 10,893,307.20/x
  3. Step 3: Cross multiply
    14,672,443.20x = 22,008,664.80 × 10,893,307.20
  4. Step 4: Simplify right side
    14,672,443.20x = 239,747,146,728,226.56
  5. Step 5: Solve for x
    x = 239,747,146,728,226.56/14,672,443.20
  6. Step 6: Final answer
    x = 16,339,960.80

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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.