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Finding the Fourth Proportional to 17,860.71, 26,797.07 and 12,529.44

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Solution

The fourth proportional to 17,860.71, 26,797.07 and 12,529.44 is: 18,798.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,860.71 : 26,797.07 = 12,529.44 : x
  2. Step 2: Convert to fraction form
    17,860.71/26,797.07 = 12,529.44/x
  3. Step 3: Cross multiply
    17,860.71x = 26,797.07 × 12,529.44
  4. Step 4: Simplify right side
    17,860.71x = 335,752,299.33
  5. Step 5: Solve for x
    x = 335,752,299.33/17,860.71
  6. Step 6: Final answer
    x = 18,798.37

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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.