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Finding the Fourth Proportional to 57,796.20, 79,740.05 and 33,928.74

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Solution

The fourth proportional to 57,796.20, 79,740.05 and 33,928.74 is: 46,810.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,796.20 : 79,740.05 = 33,928.74 : x
  2. Step 2: Convert to fraction form
    57,796.20/79,740.05 = 33,928.74/x
  3. Step 3: Cross multiply
    57,796.20x = 79,740.05 × 33,928.74
  4. Step 4: Simplify right side
    57,796.20x = 2,705,479,254.39
  5. Step 5: Solve for x
    x = 2,705,479,254.39/57,796.20
  6. Step 6: Final answer
    x = 46,810.68

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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.