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Finding the Fourth Proportional to 17,808.16, 26,709.30 and 5,961.16

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Solution

The fourth proportional to 17,808.16, 26,709.30 and 5,961.16 is: 8,940.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,808.16 : 26,709.30 = 5,961.16 : x
  2. Step 2: Convert to fraction form
    17,808.16/26,709.30 = 5,961.16/x
  3. Step 3: Cross multiply
    17,808.16x = 26,709.30 × 5,961.16
  4. Step 4: Simplify right side
    17,808.16x = 159,218,410.79
  5. Step 5: Solve for x
    x = 159,218,410.79/17,808.16
  6. Step 6: Final answer
    x = 8,940.76

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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.