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Finding the Fourth Proportional to 43,353.25, 65,023.09 and 13,767.19

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Solution

The fourth proportional to 43,353.25, 65,023.09 and 13,767.19 is: 20,648.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,353.25 : 65,023.09 = 13,767.19 : x
  2. Step 2: Convert to fraction form
    43,353.25/65,023.09 = 13,767.19/x
  3. Step 3: Cross multiply
    43,353.25x = 65,023.09 × 13,767.19
  4. Step 4: Simplify right side
    43,353.25x = 895,185,037.44
  5. Step 5: Solve for x
    x = 895,185,037.44/43,353.25
  6. Step 6: Final answer
    x = 20,648.63

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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.