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Finding the Fourth Proportional to 63,669.56, 87,903.78 and 41,019.80

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Solution

The fourth proportional to 63,669.56, 87,903.78 and 41,019.80 is: 56,632.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,669.56 : 87,903.78 = 41,019.80 : x
  2. Step 2: Convert to fraction form
    63,669.56/87,903.78 = 41,019.80/x
  3. Step 3: Cross multiply
    63,669.56x = 87,903.78 × 41,019.80
  4. Step 4: Simplify right side
    63,669.56x = 3,605,795,474.84
  5. Step 5: Solve for x
    x = 3,605,795,474.84/63,669.56
  6. Step 6: Final answer
    x = 56,632.96

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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.