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Finding the Fourth Proportional to 11,884.95, 17,845.41 and 9,439.59

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Solution

The fourth proportional to 11,884.95, 17,845.41 and 9,439.59 is: 14,173.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,884.95 : 17,845.41 = 9,439.59 : x
  2. Step 2: Convert to fraction form
    11,884.95/17,845.41 = 9,439.59/x
  3. Step 3: Cross multiply
    11,884.95x = 17,845.41 × 9,439.59
  4. Step 4: Simplify right side
    11,884.95x = 168,453,353.78
  5. Step 5: Solve for x
    x = 168,453,353.78/11,884.95
  6. Step 6: Final answer
    x = 14,173.67

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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.