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Finding the Fourth Proportional to 63,523.72, 95,290.22 and 21,403.88

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Solution

The fourth proportional to 63,523.72, 95,290.22 and 21,403.88 is: 32,107.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,523.72 : 95,290.22 = 21,403.88 : x
  2. Step 2: Convert to fraction form
    63,523.72/95,290.22 = 21,403.88/x
  3. Step 3: Cross multiply
    63,523.72x = 95,290.22 × 21,403.88
  4. Step 4: Simplify right side
    63,523.72x = 2,039,580,434.05
  5. Step 5: Solve for x
    x = 2,039,580,434.05/63,523.72
  6. Step 6: Final answer
    x = 32,107.38

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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.