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Finding the Fourth Proportional to 57,722.99, 79,671.02 and 33,857.37

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Solution

The fourth proportional to 57,722.99, 79,671.02 and 33,857.37 is: 46,730.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,722.99 : 79,671.02 = 33,857.37 : x
  2. Step 2: Convert to fraction form
    57,722.99/79,671.02 = 33,857.37/x
  3. Step 3: Cross multiply
    57,722.99x = 79,671.02 × 33,857.37
  4. Step 4: Simplify right side
    57,722.99x = 2,697,451,033.13
  5. Step 5: Solve for x
    x = 2,697,451,033.13/57,722.99
  6. Step 6: Final answer
    x = 46,730.97

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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.