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Finding the Fourth Proportional to 17,900.80, 26,834.70 and 9,586.54

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Solution

The fourth proportional to 17,900.80, 26,834.70 and 9,586.54 is: 14,370.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,900.80 : 26,834.70 = 9,586.54 : x
  2. Step 2: Convert to fraction form
    17,900.80/26,834.70 = 9,586.54/x
  3. Step 3: Cross multiply
    17,900.80x = 26,834.70 × 9,586.54
  4. Step 4: Simplify right side
    17,900.80x = 257,251,924.94
  5. Step 5: Solve for x
    x = 257,251,924.94/17,900.80
  6. Step 6: Final answer
    x = 14,370.97

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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.