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Finding the Fourth Proportional to 51,999.92, 71,694.78 and 43,398.44

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Solution

The fourth proportional to 51,999.92, 71,694.78 and 43,398.44 is: 59,835.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,999.92 : 71,694.78 = 43,398.44 : x
  2. Step 2: Convert to fraction form
    51,999.92/71,694.78 = 43,398.44/x
  3. Step 3: Cross multiply
    51,999.92x = 71,694.78 × 43,398.44
  4. Step 4: Simplify right side
    51,999.92x = 3,111,441,608.14
  5. Step 5: Solve for x
    x = 3,111,441,608.14/51,999.92
  6. Step 6: Final answer
    x = 59,835.51

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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.