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Finding the Fourth Proportional to 73,024.09, 100,773.19 and 39,490.09

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Solution

The fourth proportional to 73,024.09, 100,773.19 and 39,490.09 is: 54,496.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,024.09 : 100,773.19 = 39,490.09 : x
  2. Step 2: Convert to fraction form
    73,024.09/100,773.19 = 39,490.09/x
  3. Step 3: Cross multiply
    73,024.09x = 100,773.19 × 39,490.09
  4. Step 4: Simplify right side
    73,024.09x = 3,979,542,342.69
  5. Step 5: Solve for x
    x = 3,979,542,342.69/73,024.09
  6. Step 6: Final answer
    x = 54,496.29

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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.