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Finding the Fourth Proportional to 87,917, 131,881.58 and 35,326.44

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Solution

The fourth proportional to 87,917, 131,881.58 and 35,326.44 is: 52,992.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,917 : 131,881.58 = 35,326.44 : x
  2. Step 2: Convert to fraction form
    87,917/131,881.58 = 35,326.44/x
  3. Step 3: Cross multiply
    87,917x = 131,881.58 × 35,326.44
  4. Step 4: Simplify right side
    87,917x = 4,658,906,722.98
  5. Step 5: Solve for x
    x = 4,658,906,722.98/87,917
  6. Step 6: Final answer
    x = 52,992.10

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1.5x scale

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.