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Finding the Fourth Proportional to 71,754.60, 107,573.58 and 25,040.28

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Solution

The fourth proportional to 71,754.60, 107,573.58 and 25,040.28 is: 37,540.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,754.60 : 107,573.58 = 25,040.28 : x
  2. Step 2: Convert to fraction form
    71,754.60/107,573.58 = 25,040.28/x
  3. Step 3: Cross multiply
    71,754.60x = 107,573.58 × 25,040.28
  4. Step 4: Simplify right side
    71,754.60x = 2,693,672,563.80
  5. Step 5: Solve for x
    x = 2,693,672,563.80/71,754.60
  6. Step 6: Final answer
    x = 37,540.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.