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Finding the Fourth Proportional to 18,797.00, 25,928.12 and 12,091.37

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Solution

The fourth proportional to 18,797.00, 25,928.12 and 12,091.37 is: 16,678.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,797.00 : 25,928.12 = 12,091.37 : x
  2. Step 2: Convert to fraction form
    18,797.00/25,928.12 = 12,091.37/x
  3. Step 3: Cross multiply
    18,797.00x = 25,928.12 × 12,091.37
  4. Step 4: Simplify right side
    18,797.00x = 313,506,392.91
  5. Step 5: Solve for x
    x = 313,506,392.91/18,797.00
  6. Step 6: Final answer
    x = 16,678.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.