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Finding the Fourth Proportional to 48,249.98, 72,380.31 and 16,656.46

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Solution

The fourth proportional to 48,249.98, 72,380.31 and 16,656.46 is: 24,986.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,249.98 : 72,380.31 = 16,656.46 : x
  2. Step 2: Convert to fraction form
    48,249.98/72,380.31 = 16,656.46/x
  3. Step 3: Cross multiply
    48,249.98x = 72,380.31 × 16,656.46
  4. Step 4: Simplify right side
    48,249.98x = 1,205,599,588.58
  5. Step 5: Solve for x
    x = 1,205,599,588.58/48,249.98
  6. Step 6: Final answer
    x = 24,986.53

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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.