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Finding the Fourth Proportional to 83,997.57, 125,994.05 and 36,612.63

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Solution

The fourth proportional to 83,997.57, 125,994.05 and 36,612.63 is: 54,917.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,997.57 : 125,994.05 = 36,612.63 : x
  2. Step 2: Convert to fraction form
    83,997.57/125,994.05 = 36,612.63/x
  3. Step 3: Cross multiply
    83,997.57x = 125,994.05 × 36,612.63
  4. Step 4: Simplify right side
    83,997.57x = 4,612,973,534.85
  5. Step 5: Solve for x
    x = 4,612,973,534.85/83,997.57
  6. Step 6: Final answer
    x = 54,917.94

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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.