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Finding the Fourth Proportional to 73,446.75, 101,357.33 and 39,912.75

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Solution

The fourth proportional to 73,446.75, 101,357.33 and 39,912.75 is: 55,080.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,446.75 : 101,357.33 = 39,912.75 : x
  2. Step 2: Convert to fraction form
    73,446.75/101,357.33 = 39,912.75/x
  3. Step 3: Cross multiply
    73,446.75x = 101,357.33 × 39,912.75
  4. Step 4: Simplify right side
    73,446.75x = 4,045,449,573.39
  5. Step 5: Solve for x
    x = 4,045,449,573.39/73,446.75
  6. Step 6: Final answer
    x = 55,080.04

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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.