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Finding the Fourth Proportional to 57,650.97, 79,565.58 and 33,786.75

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Solution

The fourth proportional to 57,650.97, 79,565.58 and 33,786.75 is: 46,629.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,650.97 : 79,565.58 = 33,786.75 : x
  2. Step 2: Convert to fraction form
    57,650.97/79,565.58 = 33,786.75/x
  3. Step 3: Cross multiply
    57,650.97x = 79,565.58 × 33,786.75
  4. Step 4: Simplify right side
    57,650.97x = 2,688,262,360.07
  5. Step 5: Solve for x
    x = 2,688,262,360.07/57,650.97
  6. Step 6: Final answer
    x = 46,629.96

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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.