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Finding the Fourth Proportional to 57,993.81, 80,030.11 and 34,122.03

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Solution

The fourth proportional to 57,993.81, 80,030.11 and 34,122.03 is: 47,087.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,993.81 : 80,030.11 = 34,122.03 : x
  2. Step 2: Convert to fraction form
    57,993.81/80,030.11 = 34,122.03/x
  3. Step 3: Cross multiply
    57,993.81x = 80,030.11 × 34,122.03
  4. Step 4: Simplify right side
    57,993.81x = 2,730,789,814.32
  5. Step 5: Solve for x
    x = 2,730,789,814.32/57,993.81
  6. Step 6: Final answer
    x = 47,087.61

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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.