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Finding the Fourth Proportional to 64,993.11, 97,493.12 and 20,623.33

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Solution

The fourth proportional to 64,993.11, 97,493.12 and 20,623.33 is: 30,936.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,993.11 : 97,493.12 = 20,623.33 : x
  2. Step 2: Convert to fraction form
    64,993.11/97,493.12 = 20,623.33/x
  3. Step 3: Cross multiply
    64,993.11x = 97,493.12 × 20,623.33
  4. Step 4: Simplify right side
    64,993.11x = 2,010,632,786.49
  5. Step 5: Solve for x
    x = 2,010,632,786.49/64,993.11
  6. Step 6: Final answer
    x = 30,936.09

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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.