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Finding the Fourth Proportional to 66,573.57, 91,867.46 and 36,352.75

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Solution

The fourth proportional to 66,573.57, 91,867.46 and 36,352.75 is: 50,164.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,573.57 : 91,867.46 = 36,352.75 : x
  2. Step 2: Convert to fraction form
    66,573.57/91,867.46 = 36,352.75/x
  3. Step 3: Cross multiply
    66,573.57x = 91,867.46 × 36,352.75
  4. Step 4: Simplify right side
    66,573.57x = 3,339,634,667.73
  5. Step 5: Solve for x
    x = 3,339,634,667.73/66,573.57
  6. Step 6: Final answer
    x = 50,164.57

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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.