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Finding the Fourth Proportional to 17,672.56, 24,396.48 and 11,215.44

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Solution

The fourth proportional to 17,672.56, 24,396.48 and 11,215.44 is: 15,482.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,672.56 : 24,396.48 = 11,215.44 : x
  2. Step 2: Convert to fraction form
    17,672.56/24,396.48 = 11,215.44/x
  3. Step 3: Cross multiply
    17,672.56x = 24,396.48 × 11,215.44
  4. Step 4: Simplify right side
    17,672.56x = 273,617,257.65
  5. Step 5: Solve for x
    x = 273,617,257.65/17,672.56
  6. Step 6: Final answer
    x = 15,482.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.