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Finding the Fourth Proportional to 8,979.91, 13,469.86 and 4,050.95

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Solution

The fourth proportional to 8,979.91, 13,469.86 and 4,050.95 is: 6,076.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979.91 : 13,469.86 = 4,050.95 : x
  2. Step 2: Convert to fraction form
    8,979.91/13,469.86 = 4,050.95/x
  3. Step 3: Cross multiply
    8,979.91x = 13,469.86 × 4,050.95
  4. Step 4: Simplify right side
    8,979.91x = 54,565,752.91
  5. Step 5: Solve for x
    x = 54,565,752.91/8,979.91
  6. Step 6: Final answer
    x = 6,076.43

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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.