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Finding the Fourth Proportional to 66,234.44, 91,402.26 and 36,426.44

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Solution

The fourth proportional to 66,234.44, 91,402.26 and 36,426.44 is: 50,267.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,234.44 : 91,402.26 = 36,426.44 : x
  2. Step 2: Convert to fraction form
    66,234.44/91,402.26 = 36,426.44/x
  3. Step 3: Cross multiply
    66,234.44x = 91,402.26 × 36,426.44
  4. Step 4: Simplify right side
    66,234.44x = 3,329,458,939.75
  5. Step 5: Solve for x
    x = 3,329,458,939.75/66,234.44
  6. Step 6: Final answer
    x = 50,267.79

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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.