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Finding the Fourth Proportional to 11,372.75, 17,059 and 4,447.19

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Solution

The fourth proportional to 11,372.75, 17,059 and 4,447.19 is: 6,670.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,372.75 : 17,059 = 4,447.19 : x
  2. Step 2: Convert to fraction form
    11,372.75/17,059 = 4,447.19/x
  3. Step 3: Cross multiply
    11,372.75x = 17,059 × 4,447.19
  4. Step 4: Simplify right side
    11,372.75x = 75,864,614.21
  5. Step 5: Solve for x
    x = 75,864,614.21/11,372.75
  6. Step 6: Final answer
    x = 6,670.74

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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.