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Finding the Fourth Proportional to 63,694.88, 95,558.64 and 45,012

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Solution

The fourth proportional to 63,694.88, 95,558.64 and 45,012 is: 67,529.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,694.88 : 95,558.64 = 45,012 : x
  2. Step 2: Convert to fraction form
    63,694.88/95,558.64 = 45,012/x
  3. Step 3: Cross multiply
    63,694.88x = 95,558.64 × 45,012
  4. Step 4: Simplify right side
    63,694.88x = 4,301,285,503.68
  5. Step 5: Solve for x
    x = 4,301,285,503.68/63,694.88
  6. Step 6: Final answer
    x = 67,529.53

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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.