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Finding the Fourth Proportional to 57,797.36, 79,763.60 and 33,930.96

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Solution

The fourth proportional to 57,797.36, 79,763.60 and 33,930.96 is: 46,826.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,797.36 : 79,763.60 = 33,930.96 : x
  2. Step 2: Convert to fraction form
    57,797.36/79,763.60 = 33,930.96/x
  3. Step 3: Cross multiply
    57,797.36x = 79,763.60 × 33,930.96
  4. Step 4: Simplify right side
    57,797.36x = 2,706,455,521.06
  5. Step 5: Solve for x
    x = 2,706,455,521.06/57,797.36
  6. Step 6: Final answer
    x = 46,826.63

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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.