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Finding the Fourth Proportional to 63,992.21, 95,999.63 and 21,862.44

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Solution

The fourth proportional to 63,992.21, 95,999.63 and 21,862.44 is: 32,797.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,992.21 : 95,999.63 = 21,862.44 : x
  2. Step 2: Convert to fraction form
    63,992.21/95,999.63 = 21,862.44/x
  3. Step 3: Cross multiply
    63,992.21x = 95,999.63 × 21,862.44
  4. Step 4: Simplify right side
    63,992.21x = 2,098,786,041.59
  5. Step 5: Solve for x
    x = 2,098,786,041.59/63,992.21
  6. Step 6: Final answer
    x = 32,797.53

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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.