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Finding the Fourth Proportional to 57,797.28, 79,755.60 and 33,904.80

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Solution

The fourth proportional to 57,797.28, 79,755.60 and 33,904.80 is: 46,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,797.28 : 79,755.60 = 33,904.80 : x
  2. Step 2: Convert to fraction form
    57,797.28/79,755.60 = 33,904.80/x
  3. Step 3: Cross multiply
    57,797.28x = 79,755.60 × 33,904.80
  4. Step 4: Simplify right side
    57,797.28x = 2,704,097,666.88
  5. Step 5: Solve for x
    x = 2,704,097,666.88/57,797.28
  6. Step 6: Final answer
    x = 46,785.90

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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.