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Finding the Fourth Proportional to 48,496.73, 72,745.09 and 38,655.23

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Solution

The fourth proportional to 48,496.73, 72,745.09 and 38,655.23 is: 57,982.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,496.73 : 72,745.09 = 38,655.23 : x
  2. Step 2: Convert to fraction form
    48,496.73/72,745.09 = 38,655.23/x
  3. Step 3: Cross multiply
    48,496.73x = 72,745.09 × 38,655.23
  4. Step 4: Simplify right side
    48,496.73x = 2,811,977,724.96
  5. Step 5: Solve for x
    x = 2,811,977,724.96/48,496.73
  6. Step 6: Final answer
    x = 57,982.84

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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.