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Finding the Fourth Proportional to 55,305.40, 82,859.10 and 33,627.40

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Solution

The fourth proportional to 55,305.40, 82,859.10 and 33,627.40 is: 50,380.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,305.40 : 82,859.10 = 33,627.40 : x
  2. Step 2: Convert to fraction form
    55,305.40/82,859.10 = 33,627.40/x
  3. Step 3: Cross multiply
    55,305.40x = 82,859.10 × 33,627.40
  4. Step 4: Simplify right side
    55,305.40x = 2,786,336,099.34
  5. Step 5: Solve for x
    x = 2,786,336,099.34/55,305.40
  6. Step 6: Final answer
    x = 50,380.90

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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.