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Finding the Fourth Proportional to 51,468.36, 71,040.36 and 30,254.52

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Solution

The fourth proportional to 51,468.36, 71,040.36 and 30,254.52 is: 41,759.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,468.36 : 71,040.36 = 30,254.52 : x
  2. Step 2: Convert to fraction form
    51,468.36/71,040.36 = 30,254.52/x
  3. Step 3: Cross multiply
    51,468.36x = 71,040.36 × 30,254.52
  4. Step 4: Simplify right side
    51,468.36x = 2,149,291,992.43
  5. Step 5: Solve for x
    x = 2,149,291,992.43/51,468.36
  6. Step 6: Final answer
    x = 41,759.48

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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.