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Finding the Fourth Proportional to 66,993.96, 100,493.08 and 33,695.84

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Solution

The fourth proportional to 66,993.96, 100,493.08 and 33,695.84 is: 50,544.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,993.96 : 100,493.08 = 33,695.84 : x
  2. Step 2: Convert to fraction form
    66,993.96/100,493.08 = 33,695.84/x
  3. Step 3: Cross multiply
    66,993.96x = 100,493.08 × 33,695.84
  4. Step 4: Simplify right side
    66,993.96x = 3,386,198,744.79
  5. Step 5: Solve for x
    x = 3,386,198,744.79/66,993.96
  6. Step 6: Final answer
    x = 50,544.84

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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.