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Finding the Fourth Proportional to 53,249.97, 79,873.14 and 21,650.67

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Solution

The fourth proportional to 53,249.97, 79,873.14 and 21,650.67 is: 32,475.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,249.97 : 79,873.14 = 21,650.67 : x
  2. Step 2: Convert to fraction form
    53,249.97/79,873.14 = 21,650.67/x
  3. Step 3: Cross multiply
    53,249.97x = 79,873.14 × 21,650.67
  4. Step 4: Simplify right side
    53,249.97x = 1,729,306,996.00
  5. Step 5: Solve for x
    x = 1,729,306,996.00/53,249.97
  6. Step 6: Final answer
    x = 32,475.27

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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.