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Finding the Fourth Proportional to 57,441.63, 86,166.54 and 15,321.48

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Solution

The fourth proportional to 57,441.63, 86,166.54 and 15,321.48 is: 22,983.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,441.63 : 86,166.54 = 15,321.48 : x
  2. Step 2: Convert to fraction form
    57,441.63/86,166.54 = 15,321.48/x
  3. Step 3: Cross multiply
    57,441.63x = 86,166.54 × 15,321.48
  4. Step 4: Simplify right side
    57,441.63x = 1,320,198,919.28
  5. Step 5: Solve for x
    x = 1,320,198,919.28/57,441.63
  6. Step 6: Final answer
    x = 22,983.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.