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Finding the Fourth Proportional to 74,649.27, 103,015.99 and 41,115.27

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Solution

The fourth proportional to 74,649.27, 103,015.99 and 41,115.27 is: 56,739.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,649.27 : 103,015.99 = 41,115.27 : x
  2. Step 2: Convert to fraction form
    74,649.27/103,015.99 = 41,115.27/x
  3. Step 3: Cross multiply
    74,649.27x = 103,015.99 × 41,115.27
  4. Step 4: Simplify right side
    74,649.27x = 4,235,530,037.59
  5. Step 5: Solve for x
    x = 4,235,530,037.59/74,649.27
  6. Step 6: Final answer
    x = 56,739.07

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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.