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Finding the Fourth Proportional to 66,227.31, 91,401.96 and 37,932.99

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Solution

The fourth proportional to 66,227.31, 91,401.96 and 37,932.99 is: 52,352.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,227.31 : 91,401.96 = 37,932.99 : x
  2. Step 2: Convert to fraction form
    66,227.31/91,401.96 = 37,932.99/x
  3. Step 3: Cross multiply
    66,227.31x = 91,401.96 × 37,932.99
  4. Step 4: Simplify right side
    66,227.31x = 3,467,149,634.66
  5. Step 5: Solve for x
    x = 3,467,149,634.66/66,227.31
  6. Step 6: Final answer
    x = 52,352.26

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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.