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Finding the Fourth Proportional to 58,538, 80,759.04 and 34,655.96

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Solution

The fourth proportional to 58,538, 80,759.04 and 34,655.96 is: 47,811.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,538 : 80,759.04 = 34,655.96 : x
  2. Step 2: Convert to fraction form
    58,538/80,759.04 = 34,655.96/x
  3. Step 3: Cross multiply
    58,538x = 80,759.04 × 34,655.96
  4. Step 4: Simplify right side
    58,538x = 2,798,782,059.88
  5. Step 5: Solve for x
    x = 2,798,782,059.88/58,538
  6. Step 6: Final answer
    x = 47,811.37

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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.