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Finding the Fourth Proportional to 67,165.15, 100,664.68 and 33,894.73

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Solution

The fourth proportional to 67,165.15, 100,664.68 and 33,894.73 is: 50,800.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,165.15 : 100,664.68 = 33,894.73 : x
  2. Step 2: Convert to fraction form
    67,165.15/100,664.68 = 33,894.73/x
  3. Step 3: Cross multiply
    67,165.15x = 100,664.68 × 33,894.73
  4. Step 4: Simplify right side
    67,165.15x = 3,412,001,812.74
  5. Step 5: Solve for x
    x = 3,412,001,812.74/67,165.15
  6. Step 6: Final answer
    x = 50,800.18

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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.