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Finding the Fourth Proportional to 57,355.39, 79,179.22 and 35,857.08

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Solution

The fourth proportional to 57,355.39, 79,179.22 and 35,857.08 is: 49,500.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,355.39 : 79,179.22 = 35,857.08 : x
  2. Step 2: Convert to fraction form
    57,355.39/79,179.22 = 35,857.08/x
  3. Step 3: Cross multiply
    57,355.39x = 79,179.22 × 35,857.08
  4. Step 4: Simplify right side
    57,355.39x = 2,839,135,734.18
  5. Step 5: Solve for x
    x = 2,839,135,734.18/57,355.39
  6. Step 6: Final answer
    x = 49,500.77

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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.