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Finding the Fourth Proportional to 59,274.68, 81,736.62 and 36,879.80

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Solution

The fourth proportional to 59,274.68, 81,736.62 and 36,879.80 is: 50,855.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,274.68 : 81,736.62 = 36,879.80 : x
  2. Step 2: Convert to fraction form
    59,274.68/81,736.62 = 36,879.80/x
  3. Step 3: Cross multiply
    59,274.68x = 81,736.62 × 36,879.80
  4. Step 4: Simplify right side
    59,274.68x = 3,014,430,198.28
  5. Step 5: Solve for x
    x = 3,014,430,198.28/59,274.68
  6. Step 6: Final answer
    x = 50,855.28

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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.