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Finding the Fourth Proportional to 73,593.24, 110,390.90 and 21,002.73

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Solution

The fourth proportional to 73,593.24, 110,390.90 and 21,002.73 is: 31,504.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,593.24 : 110,390.90 = 21,002.73 : x
  2. Step 2: Convert to fraction form
    73,593.24/110,390.90 = 21,002.73/x
  3. Step 3: Cross multiply
    73,593.24x = 110,390.90 × 21,002.73
  4. Step 4: Simplify right side
    73,593.24x = 2,318,510,162.14
  5. Step 5: Solve for x
    x = 2,318,510,162.14/73,593.24
  6. Step 6: Final answer
    x = 31,504.39

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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.