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Finding the Fourth Proportional to 11,859.87, 17,794.97 and 5,624.25

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Solution

The fourth proportional to 11,859.87, 17,794.97 and 5,624.25 is: 8,438.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,859.87 : 17,794.97 = 5,624.25 : x
  2. Step 2: Convert to fraction form
    11,859.87/17,794.97 = 5,624.25/x
  3. Step 3: Cross multiply
    11,859.87x = 17,794.97 × 5,624.25
  4. Step 4: Simplify right side
    11,859.87x = 100,083,360.02
  5. Step 5: Solve for x
    x = 100,083,360.02/11,859.87
  6. Step 6: Final answer
    x = 8,438.82

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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.