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Finding the Fourth Proportional to 63,321.94, 87,346.20 and 41,811.88

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Solution

The fourth proportional to 63,321.94, 87,346.20 and 41,811.88 is: 57,675.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,321.94 : 87,346.20 = 41,811.88 : x
  2. Step 2: Convert to fraction form
    63,321.94/87,346.20 = 41,811.88/x
  3. Step 3: Cross multiply
    63,321.94x = 87,346.20 × 41,811.88
  4. Step 4: Simplify right side
    63,321.94x = 3,652,108,832.86
  5. Step 5: Solve for x
    x = 3,652,108,832.86/63,321.94
  6. Step 6: Final answer
    x = 57,675.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.