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Finding the Fourth Proportional to 17,296.29, 25,920.10 and 9,889.65

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Solution

The fourth proportional to 17,296.29, 25,920.10 and 9,889.65 is: 14,820.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,296.29 : 25,920.10 = 9,889.65 : x
  2. Step 2: Convert to fraction form
    17,296.29/25,920.10 = 9,889.65/x
  3. Step 3: Cross multiply
    17,296.29x = 25,920.10 × 9,889.65
  4. Step 4: Simplify right side
    17,296.29x = 256,340,716.97
  5. Step 5: Solve for x
    x = 256,340,716.97/17,296.29
  6. Step 6: Final answer
    x = 14,820.56

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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.