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Finding the Fourth Proportional to 67,072.00, 100,628.12 and 27,070.40

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Solution

The fourth proportional to 67,072.00, 100,628.12 and 27,070.40 is: 40,613.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,072.00 : 100,628.12 = 27,070.40 : x
  2. Step 2: Convert to fraction form
    67,072.00/100,628.12 = 27,070.40/x
  3. Step 3: Cross multiply
    67,072.00x = 100,628.12 × 27,070.40
  4. Step 4: Simplify right side
    67,072.00x = 2,724,043,778.89
  5. Step 5: Solve for x
    x = 2,724,043,778.89/67,072.00
  6. Step 6: Final answer
    x = 40,613.73

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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.