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Finding the Fourth Proportional to 33,318.12, 49,977.20 and 8,694.12

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Solution

The fourth proportional to 33,318.12, 49,977.20 and 8,694.12 is: 13,041.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,318.12 : 49,977.20 = 8,694.12 : x
  2. Step 2: Convert to fraction form
    33,318.12/49,977.20 = 8,694.12/x
  3. Step 3: Cross multiply
    33,318.12x = 49,977.20 × 8,694.12
  4. Step 4: Simplify right side
    33,318.12x = 434,507,774.06
  5. Step 5: Solve for x
    x = 434,507,774.06/33,318.12
  6. Step 6: Final answer
    x = 13,041.19

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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.