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Finding the Fourth Proportional to 23,978.94, 33,095.26 and 15,034.20

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Solution

The fourth proportional to 23,978.94, 33,095.26 and 15,034.20 is: 20,749.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,978.94 : 33,095.26 = 15,034.20 : x
  2. Step 2: Convert to fraction form
    23,978.94/33,095.26 = 15,034.20/x
  3. Step 3: Cross multiply
    23,978.94x = 33,095.26 × 15,034.20
  4. Step 4: Simplify right side
    23,978.94x = 497,560,757.89
  5. Step 5: Solve for x
    x = 497,560,757.89/23,978.94
  6. Step 6: Final answer
    x = 20,749.91

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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.