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Finding the Fourth Proportional to 34,644.75, 51,984.45 and 12,463.11

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Solution

The fourth proportional to 34,644.75, 51,984.45 and 12,463.11 is: 18,700.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,644.75 : 51,984.45 = 12,463.11 : x
  2. Step 2: Convert to fraction form
    34,644.75/51,984.45 = 12,463.11/x
  3. Step 3: Cross multiply
    34,644.75x = 51,984.45 × 12,463.11
  4. Step 4: Simplify right side
    34,644.75x = 647,887,918.64
  5. Step 5: Solve for x
    x = 647,887,918.64/34,644.75
  6. Step 6: Final answer
    x = 18,700.90

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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.