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Finding the Fourth Proportional to 67,286.10, 100,892.70 and 27,798.60

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Solution

The fourth proportional to 67,286.10, 100,892.70 and 27,798.60 is: 41,682.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,286.10 : 100,892.70 = 27,798.60 : x
  2. Step 2: Convert to fraction form
    67,286.10/100,892.70 = 27,798.60/x
  3. Step 3: Cross multiply
    67,286.10x = 100,892.70 × 27,798.60
  4. Step 4: Simplify right side
    67,286.10x = 2,804,675,810.22
  5. Step 5: Solve for x
    x = 2,804,675,810.22/67,286.10
  6. Step 6: Final answer
    x = 41,682.84

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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.