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Finding the Fourth Proportional to 32,447.44, 48,572.52 and 20,768.86

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Solution

The fourth proportional to 32,447.44, 48,572.52 and 20,768.86 is: 31,090.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,447.44 : 48,572.52 = 20,768.86 : x
  2. Step 2: Convert to fraction form
    32,447.44/48,572.52 = 20,768.86/x
  3. Step 3: Cross multiply
    32,447.44x = 48,572.52 × 20,768.86
  4. Step 4: Simplify right side
    32,447.44x = 1,008,795,867.73
  5. Step 5: Solve for x
    x = 1,008,795,867.73/32,447.44
  6. Step 6: Final answer
    x = 31,090.15

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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.