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Finding the Fourth Proportional to 17,806.43, 26,709.95 and 6,711.05

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Solution

The fourth proportional to 17,806.43, 26,709.95 and 6,711.05 is: 10,066.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,806.43 : 26,709.95 = 6,711.05 : x
  2. Step 2: Convert to fraction form
    17,806.43/26,709.95 = 6,711.05/x
  3. Step 3: Cross multiply
    17,806.43x = 26,709.95 × 6,711.05
  4. Step 4: Simplify right side
    17,806.43x = 179,251,893.50
  5. Step 5: Solve for x
    x = 179,251,893.50/17,806.43
  6. Step 6: Final answer
    x = 10,066.69

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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.