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Finding the Fourth Proportional to 58,379.56, 80,559.22 and 32,884.81

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Solution

The fourth proportional to 58,379.56, 80,559.22 and 32,884.81 is: 45,378.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,379.56 : 80,559.22 = 32,884.81 : x
  2. Step 2: Convert to fraction form
    58,379.56/80,559.22 = 32,884.81/x
  3. Step 3: Cross multiply
    58,379.56x = 80,559.22 × 32,884.81
  4. Step 4: Simplify right side
    58,379.56x = 2,649,174,643.45
  5. Step 5: Solve for x
    x = 2,649,174,643.45/58,379.56
  6. Step 6: Final answer
    x = 45,378.46

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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.