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Finding the Fourth Proportional to 73,010.82, 100,754.97 and 39,476.82

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Solution

The fourth proportional to 73,010.82, 100,754.97 and 39,476.82 is: 54,478.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,010.82 : 100,754.97 = 39,476.82 : x
  2. Step 2: Convert to fraction form
    73,010.82/100,754.97 = 39,476.82/x
  3. Step 3: Cross multiply
    73,010.82x = 100,754.97 × 39,476.82
  4. Step 4: Simplify right side
    73,010.82x = 3,977,485,814.80
  5. Step 5: Solve for x
    x = 3,977,485,814.80/73,010.82
  6. Step 6: Final answer
    x = 54,478.03

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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.