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Finding the Fourth Proportional to 11,624.44, 17,436.52 and 2,859.44

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Solution

The fourth proportional to 11,624.44, 17,436.52 and 2,859.44 is: 4,289.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,624.44 : 17,436.52 = 2,859.44 : x
  2. Step 2: Convert to fraction form
    11,624.44/17,436.52 = 2,859.44/x
  3. Step 3: Cross multiply
    11,624.44x = 17,436.52 × 2,859.44
  4. Step 4: Simplify right side
    11,624.44x = 49,858,682.75
  5. Step 5: Solve for x
    x = 49,858,682.75/11,624.44
  6. Step 6: Final answer
    x = 4,289.13

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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.