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Finding the Fourth Proportional to 48,745.52, 73,120.87 and 15,468.19

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Solution

The fourth proportional to 48,745.52, 73,120.87 and 15,468.19 is: 23,203.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,745.52 : 73,120.87 = 15,468.19 : x
  2. Step 2: Convert to fraction form
    48,745.52/73,120.87 = 15,468.19/x
  3. Step 3: Cross multiply
    48,745.52x = 73,120.87 × 15,468.19
  4. Step 4: Simplify right side
    48,745.52x = 1,131,047,144.52
  5. Step 5: Solve for x
    x = 1,131,047,144.52/48,745.52
  6. Step 6: Final answer
    x = 23,203.10

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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.