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Finding the Fourth Proportional to 17,387.69, 26,086.08 and 7,524.65

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Solution

The fourth proportional to 17,387.69, 26,086.08 and 7,524.65 is: 11,288.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387.69 : 26,086.08 = 7,524.65 : x
  2. Step 2: Convert to fraction form
    17,387.69/26,086.08 = 7,524.65/x
  3. Step 3: Cross multiply
    17,387.69x = 26,086.08 × 7,524.65
  4. Step 4: Simplify right side
    17,387.69x = 196,288,491.44
  5. Step 5: Solve for x
    x = 196,288,491.44/17,387.69
  6. Step 6: Final answer
    x = 11,288.94

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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.