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Finding the Fourth Proportional to 63,679.75, 95,514.10 and 21,558.94

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Solution

The fourth proportional to 63,679.75, 95,514.10 and 21,558.94 is: 32,336.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,679.75 : 95,514.10 = 21,558.94 : x
  2. Step 2: Convert to fraction form
    63,679.75/95,514.10 = 21,558.94/x
  3. Step 3: Cross multiply
    63,679.75x = 95,514.10 × 21,558.94
  4. Step 4: Simplify right side
    63,679.75x = 2,059,182,751.05
  5. Step 5: Solve for x
    x = 2,059,182,751.05/63,679.75
  6. Step 6: Final answer
    x = 32,336.54

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1.5x scale

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.