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Finding the Fourth Proportional to 17,614.65, 26,405.43 and 5,919.69

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Solution

The fourth proportional to 17,614.65, 26,405.43 and 5,919.69 is: 8,873.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,614.65 : 26,405.43 = 5,919.69 : x
  2. Step 2: Convert to fraction form
    17,614.65/26,405.43 = 5,919.69/x
  3. Step 3: Cross multiply
    17,614.65x = 26,405.43 × 5,919.69
  4. Step 4: Simplify right side
    17,614.65x = 156,311,959.92
  5. Step 5: Solve for x
    x = 156,311,959.92/17,614.65
  6. Step 6: Final answer
    x = 8,873.97

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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.