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Finding the Fourth Proportional to 38,489.99, 52,912.49 and 33,092.50

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Solution

The fourth proportional to 38,489.99, 52,912.49 and 33,092.50 is: 45,492.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,489.99 : 52,912.49 = 33,092.50 : x
  2. Step 2: Convert to fraction form
    38,489.99/52,912.49 = 33,092.50/x
  3. Step 3: Cross multiply
    38,489.99x = 52,912.49 × 33,092.50
  4. Step 4: Simplify right side
    38,489.99x = 1,751,006,562.94
  5. Step 5: Solve for x
    x = 1,751,006,562.94/38,489.99
  6. Step 6: Final answer
    x = 45,492.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.