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Finding the Fourth Proportional to 63,620.79, 95,391.99 and 21,496.89

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Solution

The fourth proportional to 63,620.79, 95,391.99 and 21,496.89 is: 32,232.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,620.79 : 95,391.99 = 21,496.89 : x
  2. Step 2: Convert to fraction form
    63,620.79/95,391.99 = 21,496.89/x
  3. Step 3: Cross multiply
    63,620.79x = 95,391.99 × 21,496.89
  4. Step 4: Simplify right side
    63,620.79x = 2,050,631,115.91
  5. Step 5: Solve for x
    x = 2,050,631,115.91/63,620.79
  6. Step 6: Final answer
    x = 32,232.09

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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.