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Finding the Fourth Proportional to 18,374.88, 25,487.46 and 17,745.48

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Solution

The fourth proportional to 18,374.88, 25,487.46 and 17,745.48 is: 24,614.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,374.88 : 25,487.46 = 17,745.48 : x
  2. Step 2: Convert to fraction form
    18,374.88/25,487.46 = 17,745.48/x
  3. Step 3: Cross multiply
    18,374.88x = 25,487.46 × 17,745.48
  4. Step 4: Simplify right side
    18,374.88x = 452,287,211.68
  5. Step 5: Solve for x
    x = 452,287,211.68/18,374.88
  6. Step 6: Final answer
    x = 24,614.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.