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Finding the Fourth Proportional to 14,874,879.85, 20,529,404.44 and 8,260,954.45

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Solution

The fourth proportional to 14,874,879.85, 20,529,404.44 and 8,260,954.45 is: 11,401,266.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,874,879.85 : 20,529,404.44 = 8,260,954.45 : x
  2. Step 2: Convert to fraction form
    14,874,879.85/20,529,404.44 = 8,260,954.45/x
  3. Step 3: Cross multiply
    14,874,879.85x = 20,529,404.44 × 8,260,954.45
  4. Step 4: Simplify right side
    14,874,879.85x = 169,592,474,892,491.84
  5. Step 5: Solve for x
    x = 169,592,474,892,491.84/14,874,879.85
  6. Step 6: Final answer
    x = 11,401,266.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.