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Finding the Fourth Proportional to 57,699.72, 86,550.30 and 22,163.40

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Solution

The fourth proportional to 57,699.72, 86,550.30 and 22,163.40 is: 33,245.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,699.72 : 86,550.30 = 22,163.40 : x
  2. Step 2: Convert to fraction form
    57,699.72/86,550.30 = 22,163.40/x
  3. Step 3: Cross multiply
    57,699.72x = 86,550.30 × 22,163.40
  4. Step 4: Simplify right side
    57,699.72x = 1,918,248,919.02
  5. Step 5: Solve for x
    x = 1,918,248,919.02/57,699.72
  6. Step 6: Final answer
    x = 33,245.38

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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.