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Finding the Fourth Proportional to 63,441.88, 95,171.05 and 21,303.86

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Solution

The fourth proportional to 63,441.88, 95,171.05 and 21,303.86 is: 31,958.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,441.88 : 95,171.05 = 21,303.86 : x
  2. Step 2: Convert to fraction form
    63,441.88/95,171.05 = 21,303.86/x
  3. Step 3: Cross multiply
    63,441.88x = 95,171.05 × 21,303.86
  4. Step 4: Simplify right side
    63,441.88x = 2,027,510,811.36
  5. Step 5: Solve for x
    x = 2,027,510,811.36/63,441.88
  6. Step 6: Final answer
    x = 31,958.55

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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.