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Finding the Fourth Proportional to 48,243.84, 72,370.67 and 16,649.79

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Solution

The fourth proportional to 48,243.84, 72,370.67 and 16,649.79 is: 24,976.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,243.84 : 72,370.67 = 16,649.79 : x
  2. Step 2: Convert to fraction form
    48,243.84/72,370.67 = 16,649.79/x
  3. Step 3: Cross multiply
    48,243.84x = 72,370.67 × 16,649.79
  4. Step 4: Simplify right side
    48,243.84x = 1,204,956,103.02
  5. Step 5: Solve for x
    x = 1,204,956,103.02/48,243.84
  6. Step 6: Final answer
    x = 24,976.37

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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.