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Finding the Fourth Proportional to 63,840.96, 95,761.44 and 32,659.20

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Solution

The fourth proportional to 63,840.96, 95,761.44 and 32,659.20 is: 48,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,840.96 : 95,761.44 = 32,659.20 : x
  2. Step 2: Convert to fraction form
    63,840.96/95,761.44 = 32,659.20/x
  3. Step 3: Cross multiply
    63,840.96x = 95,761.44 × 32,659.20
  4. Step 4: Simplify right side
    63,840.96x = 3,127,492,021.25
  5. Step 5: Solve for x
    x = 3,127,492,021.25/63,840.96
  6. Step 6: Final answer
    x = 48,988.80

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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.