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Finding the Fourth Proportional to 66,107.13, 91,227.87 and 35,892.42

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Solution

The fourth proportional to 66,107.13, 91,227.87 and 35,892.42 is: 49,531.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,107.13 : 91,227.87 = 35,892.42 : x
  2. Step 2: Convert to fraction form
    66,107.13/91,227.87 = 35,892.42/x
  3. Step 3: Cross multiply
    66,107.13x = 91,227.87 × 35,892.42
  4. Step 4: Simplify right side
    66,107.13x = 3,274,389,025.75
  5. Step 5: Solve for x
    x = 3,274,389,025.75/66,107.13
  6. Step 6: Final answer
    x = 49,531.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.