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Finding the Fourth Proportional to 63,811.55, 95,717.31 and 17,063.21

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Solution

The fourth proportional to 63,811.55, 95,717.31 and 17,063.21 is: 25,594.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,811.55 : 95,717.31 = 17,063.21 : x
  2. Step 2: Convert to fraction form
    63,811.55/95,717.31 = 17,063.21/x
  3. Step 3: Cross multiply
    63,811.55x = 95,717.31 × 17,063.21
  4. Step 4: Simplify right side
    63,811.55x = 1,633,244,082.58
  5. Step 5: Solve for x
    x = 1,633,244,082.58/63,811.55
  6. Step 6: Final answer
    x = 25,594.81

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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.