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Finding the Fourth Proportional to 63,568.69, 95,366.70 and 21,449.81

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Solution

The fourth proportional to 63,568.69, 95,366.70 and 21,449.81 is: 32,179.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,568.69 : 95,366.70 = 21,449.81 : x
  2. Step 2: Convert to fraction form
    63,568.69/95,366.70 = 21,449.81/x
  3. Step 3: Cross multiply
    63,568.69x = 95,366.70 × 21,449.81
  4. Step 4: Simplify right side
    63,568.69x = 2,045,597,833.74
  5. Step 5: Solve for x
    x = 2,045,597,833.74/63,568.69
  6. Step 6: Final answer
    x = 32,179.33

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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.