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Finding the Fourth Proportional to 48,993.32, 73,480.26 and 13,936.52

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Solution

The fourth proportional to 48,993.32, 73,480.26 and 13,936.52 is: 20,902.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,993.32 : 73,480.26 = 13,936.52 : x
  2. Step 2: Convert to fraction form
    48,993.32/73,480.26 = 13,936.52/x
  3. Step 3: Cross multiply
    48,993.32x = 73,480.26 × 13,936.52
  4. Step 4: Simplify right side
    48,993.32x = 1,024,059,113.10
  5. Step 5: Solve for x
    x = 1,024,059,113.10/48,993.32
  6. Step 6: Final answer
    x = 20,902.02

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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.