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Finding the Fourth Proportional to 49,924.88, 74,879.18 and 16,645.22

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Solution

The fourth proportional to 49,924.88, 74,879.18 and 16,645.22 is: 24,965.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,924.88 : 74,879.18 = 16,645.22 : x
  2. Step 2: Convert to fraction form
    49,924.88/74,879.18 = 16,645.22/x
  3. Step 3: Cross multiply
    49,924.88x = 74,879.18 × 16,645.22
  4. Step 4: Simplify right side
    49,924.88x = 1,246,380,424.52
  5. Step 5: Solve for x
    x = 1,246,380,424.52/49,924.88
  6. Step 6: Final answer
    x = 24,965.12

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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.