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Finding the Fourth Proportional to 75,285.92, 103,896.87 and 41,296.97

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Solution

The fourth proportional to 75,285.92, 103,896.87 and 41,296.97 is: 56,991.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,285.92 : 103,896.87 = 41,296.97 : x
  2. Step 2: Convert to fraction form
    75,285.92/103,896.87 = 41,296.97/x
  3. Step 3: Cross multiply
    75,285.92x = 103,896.87 × 41,296.97
  4. Step 4: Simplify right side
    75,285.92x = 4,290,625,923.48
  5. Step 5: Solve for x
    x = 4,290,625,923.48/75,285.92
  6. Step 6: Final answer
    x = 56,991.08

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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.