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Finding the Fourth Proportional to 63,722.43, 95,523.93 and 21,573.09

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Solution

The fourth proportional to 63,722.43, 95,523.93 and 21,573.09 is: 32,339.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,722.43 : 95,523.93 = 21,573.09 : x
  2. Step 2: Convert to fraction form
    63,722.43/95,523.93 = 21,573.09/x
  3. Step 3: Cross multiply
    63,722.43x = 95,523.93 × 21,573.09
  4. Step 4: Simplify right side
    63,722.43x = 2,060,746,339.04
  5. Step 5: Solve for x
    x = 2,060,746,339.04/63,722.43
  6. Step 6: Final answer
    x = 32,339.42

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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.