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Finding the Fourth Proportional to 63,447.20, 95,163.20 and 16,703.76

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Solution

The fourth proportional to 63,447.20, 95,163.20 and 16,703.76 is: 25,053.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,447.20 : 95,163.20 = 16,703.76 : x
  2. Step 2: Convert to fraction form
    63,447.20/95,163.20 = 16,703.76/x
  3. Step 3: Cross multiply
    63,447.20x = 95,163.20 × 16,703.76
  4. Step 4: Simplify right side
    63,447.20x = 1,589,583,253.63
  5. Step 5: Solve for x
    x = 1,589,583,253.63/63,447.20
  6. Step 6: Final answer
    x = 25,053.64

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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.