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Finding the Fourth Proportional to 48,372.40, 72,541.32 and 17,201.44

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Solution

The fourth proportional to 48,372.40, 72,541.32 and 17,201.44 is: 25,796.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,372.40 : 72,541.32 = 17,201.44 : x
  2. Step 2: Convert to fraction form
    48,372.40/72,541.32 = 17,201.44/x
  3. Step 3: Cross multiply
    48,372.40x = 72,541.32 × 17,201.44
  4. Step 4: Simplify right side
    48,372.40x = 1,247,815,163.50
  5. Step 5: Solve for x
    x = 1,247,815,163.50/48,372.40
  6. Step 6: Final answer
    x = 25,796.02

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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.