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Finding the Fourth Proportional to 48,852, 73,237.20 and 20,794.08

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Solution

The fourth proportional to 48,852, 73,237.20 and 20,794.08 is: 31,173.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,852 : 73,237.20 = 20,794.08 : x
  2. Step 2: Convert to fraction form
    48,852/73,237.20 = 20,794.08/x
  3. Step 3: Cross multiply
    48,852x = 73,237.20 × 20,794.08
  4. Step 4: Simplify right side
    48,852x = 1,522,900,195.78
  5. Step 5: Solve for x
    x = 1,522,900,195.78/48,852
  6. Step 6: Final answer
    x = 31,173.75

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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.