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Finding the Fourth Proportional to 63,866.14, 95,810.85 and 21,744.21

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Solution

The fourth proportional to 63,866.14, 95,810.85 and 21,744.21 is: 32,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,866.14 : 95,810.85 = 21,744.21 : x
  2. Step 2: Convert to fraction form
    63,866.14/95,810.85 = 21,744.21/x
  3. Step 3: Cross multiply
    63,866.14x = 95,810.85 × 21,744.21
  4. Step 4: Simplify right side
    63,866.14x = 2,083,331,601.97
  5. Step 5: Solve for x
    x = 2,083,331,601.97/63,866.14
  6. Step 6: Final answer
    x = 32,620.28

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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.