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Finding the Fourth Proportional to 17,604.39, 26,398.70 and 10,491.99

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Solution

The fourth proportional to 17,604.39, 26,398.70 and 10,491.99 is: 15,733.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,604.39 : 26,398.70 = 10,491.99 : x
  2. Step 2: Convert to fraction form
    17,604.39/26,398.70 = 10,491.99/x
  3. Step 3: Cross multiply
    17,604.39x = 26,398.70 × 10,491.99
  4. Step 4: Simplify right side
    17,604.39x = 276,974,843.95
  5. Step 5: Solve for x
    x = 276,974,843.95/17,604.39
  6. Step 6: Final answer
    x = 15,733.28

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1.5x scale

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.