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Finding the Fourth Proportional to 72,296.21, 108,449.39 and 22,369.73

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Solution

The fourth proportional to 72,296.21, 108,449.39 and 22,369.73 is: 33,556.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,296.21 : 108,449.39 = 22,369.73 : x
  2. Step 2: Convert to fraction form
    72,296.21/108,449.39 = 22,369.73/x
  3. Step 3: Cross multiply
    72,296.21x = 108,449.39 × 22,369.73
  4. Step 4: Simplify right side
    72,296.21x = 2,425,983,732.24
  5. Step 5: Solve for x
    x = 2,425,983,732.24/72,296.21
  6. Step 6: Final answer
    x = 33,556.17

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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.