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Finding the Fourth Proportional to 39,933, 59,900.58 and 12,231

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Solution

The fourth proportional to 39,933, 59,900.58 and 12,231 is: 18,346.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,933 : 59,900.58 = 12,231 : x
  2. Step 2: Convert to fraction form
    39,933/59,900.58 = 12,231/x
  3. Step 3: Cross multiply
    39,933x = 59,900.58 × 12,231
  4. Step 4: Simplify right side
    39,933x = 732,643,993.98
  5. Step 5: Solve for x
    x = 732,643,993.98/39,933
  6. Step 6: Final answer
    x = 18,346.83

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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.