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Finding the Fourth Proportional to 53,493.58, 73,857 and 33,358.60

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Solution

The fourth proportional to 53,493.58, 73,857 and 33,358.60 is: 46,057.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,493.58 : 73,857 = 33,358.60 : x
  2. Step 2: Convert to fraction form
    53,493.58/73,857 = 33,358.60/x
  3. Step 3: Cross multiply
    53,493.58x = 73,857 × 33,358.60
  4. Step 4: Simplify right side
    53,493.58x = 2,463,766,120.20
  5. Step 5: Solve for x
    x = 2,463,766,120.20/53,493.58
  6. Step 6: Final answer
    x = 46,057.23

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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.