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Finding the Fourth Proportional to 66,987.83, 100,498.49 and 24,879.92

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Solution

The fourth proportional to 66,987.83, 100,498.49 and 24,879.92 is: 37,326.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,987.83 : 100,498.49 = 24,879.92 : x
  2. Step 2: Convert to fraction form
    66,987.83/100,498.49 = 24,879.92/x
  3. Step 3: Cross multiply
    66,987.83x = 100,498.49 × 24,879.92
  4. Step 4: Simplify right side
    66,987.83x = 2,500,393,764.43
  5. Step 5: Solve for x
    x = 2,500,393,764.43/66,987.83
  6. Step 6: Final answer
    x = 37,326.09

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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.